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CONTENTS.

PURPOSE OF BUCKET ELEVATORS. METHOD OF OPERATI ON. TYPES OF BUCKET ELEVATORS. DESI NG BELT BUCKET ELEVATORS. GNI UNDERSTANDI THE SERVI DUTY,CONDI ONS AND ENVI NG CE TI RONMENT. PROPERTI OF THE BULK MATERI ES AL. DESI PROCEDURE AND EXAMPLE. GN I NLET AND DI SCHARGE CHUTE DESI GN. HEAD AND TAI PULLEY DESI L GN. BEARI SELECTI FOR LONG TROUBLE FREE OPERATI NG ON ON. BEARI HOUSI SELECTI AND POSI ON. NG NG ON TI SHAFT TO ELEVATOR PANEL PRODUCT AND DUST SEAL. CONSI DERATI ONS I CHOOSI FRAME AND PANEL MATERI N NG AL. SELECTI BELTS AND BUCKETS. NG METHODS TO TAKE- BELT TENSI AND BELT TRACKI UP ON NG. PROTECTI AGAI ON NST BOGGI THE BUCKETS. NG CLEANOUT CONSI DERATI ONS. EXPLOSI PROTECTI ON ON. FEED CHUTE ARRANGEMENT. DUST EXTRACTI ON. ELEVATOR DRI ARRANGEMENT. VE ELECTRI MOTOR DUTY. C I NSTALLATI OF THE BUCKET ELEVATOR. ON CORRECT OPERATI OF BUCKET ELEVATORS. ON MAI NTENANCE OF BELT BUCKET ELEVATORS. HELPI OPERATORS AND MAI NG NTAI NERS USE AND CARE FOR THE EQUI PMENT. 3 3 3 4 5 6 7 13 13 15 16 17 18 19 19 20 20 21 23 24 24 25 25 26 26 27

Postal: F EED F ORW ARD PUBLI CATI ONS PO Box578, BENTLEY, W e Au ali 6 , st str a, 102. E-mai if fe f war .c l: n [email protected] e d or d om.au W e www.fe f war .c . b: e d or d om.au . DI CLAI ER: All be e d av s h ebe nmad to isu eth ac u ac ofth if mati i th sen s. Be au th c te t i whc th n s ar S M st n e or av e e n r e cr y e n or on n e ote c se e on x n ih e ote e u di u k ownweac e t n rsp si li f th c se u n e ofu n th if mati c taie ori lis wi i th m. se s n n c p o e on bi ty or e on q e c s sig e n or on on n d mp e thn e

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PURPOS OFBUCKET ELEVATORS E .

Bu k t e v s ar u dto lit bu matei fom on h ih to c e le ator e se f lk rals r e eg t an e. Th yar a rli an we r e pe eofe up n oth r e e e able d ll-p ov n ic q ime t.

M ETHOD OFOPERATI ON.

Bu k t e v s op r byu n ane d ss be orc ai on c e le ator eate sig n le lt h n whc rc g larbu k ts ar mou te . Th be orc ai ih e tan u ce e n d e lt h n rv e be e a topan bottom p lle an th bu k ts mov e olv s twe n d u y d e ce e wi i At th bottom th bu k ts pc u p od c fdito th th t. e e c e ik p r u t e n e ev le atorboot an at th topth p od c i dsc ar e as th bu k t tu n d war ov rth h adp lle . d e e r ut s i h gd e c e r s own d e e e u y

TYPES OFBUCKET ELEVATORS .

Bu k t e v s c c e le ator omei se eal stan ar f ms wi n meou v i on to sut th c ar tei c ofth n vr d d or th u r s arati s i e h ac rstis e p od c ben mov d r u ts ig e.

Th most c e ommonf ms ofbu k t e v or c e le atorar e c n iu al dsc ar ewh r th sp e ofth be ar n th topp lle f n s th p od c ou ofth e trf g i h g ee e e d e lt ou d e u y lig e r u t t e bu k t, ce p tiedsc ar e f p od c rq iigslowe, le ag rssieh d n , wh r a sn b p lle be osi v i h g , or r u t e urn r ss g e v an lig ee u u y low th topp lle ore ts th bu k ts d war f e tyn , e u y in e c e own d or mp ig c tiu s dsc ar e f lar elu yp od c orv r fi p od c wh r th bu k ts ar p e on n ou i h g , or g mp r u ts ey rable r u ts, ee e c e e lac d on abov th oth ri c e e e e n lose c tac wi e hoth r an on t th ac e, d pv dbu k t f tr sp tigmatei h ion . iote c e or an or n rals orz tally

Alon wi e hty eofe v , dfee t sty s ofbu k ts h ebe nd v lop dwhc be rsut th g th ac p le ator ifrn le c e av e e e e ih tte i e ev le atororth matei to beh d d e rals an le .

Postal: F EED F ORW ARD PUBLI CATI ONS PO Box578, BENTLEY, W e Au ali 6 , st str a, 102. E-mai if fe f war .c l: n [email protected] e d or d om.au W e www.fe f war .c . b: e d or d om.au . DI CLAI ER: All be e d av s h ebe nmad to isu eth ac u ac ofth if mati i th sen s. Be au th c te t i whc th n s ar S M st n e or av e e n r e cr y e n or on n e ote c se e on x n ih e ote e u di u k ownweac e t n rsp si li f th c se u n e ofu n th if mati c taie ori lis wi i th m. se s n n c p o e on bi ty or e on q e c s sig e n or on on n d mp e thn e

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UNDERS TANDI THE S NG ERVI DUTY, CONDI ONS AND ENVI CE TI RONM ENT.

S e iyth d tyofth be bu k t e v . W h v meorweg t ofp od c mu itr sp t i a p cf e u e lt c e le ator at olu ih r ut st t an or n gv nti ? De r n wh r iwi beloc dso y c f torth loc e vr me t an i efc i ie me temie ee t ll ate ou an ac e al n ion n d ts fe ts n y rd csi s. I i i or t to k ow i a lot ofd st wi bep e n orwh th rth r i wate p e n or ou e i on t s mp tan n f u ll rse t, e e ee s r rse t, wh th rth r ar c e c f me an v ou p e n e e ee e h mial u s d ap r rse t.

W h h ih an dstan ec an e ar rq ie to mov th p od c Doe th bu k t e v at eg t d i c h g s e e urd e e r u t? s e c e le atoralso h e av to beic n d n lie ?

W h p rsu p wi beav lable F n ou th e c ial v at owe p ly ll ai ? id t e le trc oltag an c re t c acty e d u rn ap i .

How wi th p od c befdito th fe c u ? W i anop r berq ie to c tr th fe r or ll e r u t e n e e d h te ll eator e urd on ol e e d ate wi ibeau ll t tomatiallyfdto th bu k t e v ? W h le e ofc tr sy m wi berq ie ? c e e c e le ator at v l on ol ste ll e urd

Du i g n r dwi i th e v st s e eate thn e le atorbyth bu k t loadn p oc ss. Du c bee tr te fom th e ce ig r e st an x ac d r e bu k t e v c e le atorbyd st c c onsy ms wh r n c ssar . Useme od ofd st rmov th allow u olle ti ste ee e e y th s u e al at e tr n n ai to bed awnth ou hth e v n aime t r r r g e le atorto su e dth d st i th g stram. sp n e u n e as e

S ou ane p v si ati arseiwi ben c ssar to d sinf i Ths wi ic d istallig h ld x losie tu on i t ll e e y e g or t. i ll n lu e n n bu stigp e v n n to a saf p ean p blyp e r an te eatu ese sigistr me tati to r n an ls e tig e lac d ossi rssu e d mp r r n n n u n on d te t hg -rskc dti s. Th se c onofmatei sutablef ane p v e vr me t wi also be e c ih i on i on e le ti rals i or x losie n ion n ll rq ie . As wi c sieati ofstati c ar ebuld pc tr e urd ll on d r on c h g i -u on ol.

Postal: F EED F ORW ARD PUBLI CATI ONS PO Box578, BENTLEY, W e Au ali 6 , st str a, 102. E-mai if fe f war .c l: n [email protected] e d or d om.au W e www.fe f war .c . b: e d or d om.au . DI CLAI ER: All be e d av s h ebe nmad to isu eth ac u ac ofth if mati i th sen s. Be au th c te t i whc th n s ar S M st n e or av e e n r e cr y e n or on n e ote c se e on x n ih e ote e u di u k ownweac e t n rsp si li f th c se u n e ofu n th if mati c taie ori lis wi i th m. se s n n c p o e on bi ty or e on q e c s sig e n or on on n d mp e thn e

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Ch nan sp oc e d ie ar p eerdto v e lt an ai d r k t rv s e rfre e -be d p lle d ie be au ofth i mor p tietr sfrof u y rv s c se er e osi v an e p r S ttigth motorc re t ov r owe. e n e u rn eloadp ote ti to th r c on e u p rli t of emotorac ommod s ov r p e mi th c ate eload si ati s. tu on Th se c onof eg ar sp oc e siei d p n e t on e le ti th e box r k t z s e e d n th maxmu allowabletor u . Ths v ec bef n e i m qe i alu an ou d fom th g armotorman f tu e' c r e e u ac rrs atalog e On eth u. c e li tigtor u at th g armotorou u sh t i k ownth mi n qe e e tp t af s n e allowablef c f dfee t sp oc e sie c be ore or ifrn r k t z s an c u dfom th e u on T = F r wh r alc late r e q ati ee F = f c (N) an r= sp oc e orp lle r is (m). ore d r kt u y adu S le t a sp oc e sieth i we wi i th tor u r n ec r k t z at s ll thn e q e atig of eg armotoran h mor th 20 te th A le r th e d as e an e . sse n mbe of e c see c ssief c s i th c ai lik as u r te th au x e v ore n e h n n s th yc e omear n a tih r is. Le tor u i n e e ou d g t adu ss q e s e d d wi a lar e sp oc e r is onth g ar ou u sh t. th g r r k t adu e e box tp t af Th fr i r ong ar ou u RPM c bed temie e ist teati e box tp t an e r nd fom th k owle g of eh adp lle RPM an u of e r e n d e th e u y d se th 3:1 sp oc e rd c onsu g ste abov . r k t e u ti ge d e Th h adp lle sp e i 38 RPM . A 3:1 rd c on e e u y ed s e u ti p od c s 114RPM at th g armotorou u sh t. r ue e e tp t af Ch c th g armotorr os av lablefom th ek e e ati ai r e man f tu e an se c th c st n x hg e sh t sp e u ac rr d le t e lose e t ih r af e d g ar . e box Of ni i n c ssar to c oosea sp oc e siean n mbe te t s e e y h r kt z d u r of e an th nto c fr th se c onth ou han te th d e on im e le ti r g i r v p oc ss of h c igc u dag n allowable teatie r e c e kn alc late aist tor u . qe S t wi a 25-tooth½"si le c ai 101 mm dame r tar th mp x h n i te sp oc e onth g ar ou u sh t an a 76 r kt e e box tp t af d -tooth307 mm dame rsp oc e onth h adp lle . i te r k t e e u y Th se c onof r k ts an c ai wi bec fr d e le ti sp oc e d h n ll on ime late. r CALCULATE POW ER REQUI RED Th lie h ih of ebu k t e v e n ar eg t th c e le atori 5.5 m an bu k t s d ce sp igi 0.7 m. Ths me s th r ar 16bu k ts i total, acn s i an ee e ce n wi 8 bu k ts onth u war an 8 onth d war le s. th ce e p d d e own d g Th loadfom th matei weg t i c u dby e r e ral ih s alc late mu p igth bu d n tyof ep od c byth v me ltilyn e lk e si th r u t e olu i e hbu k t byth n mbe of c e n ac c e e u r bu k ts.

CALCULATE POW ER REQUI RED 2 N F r T Po (k ) = wer W = 6 1000 0 1000 W h r N = rv p rmiu ee e s e n te F = f c at ou re g ofth h adp lle (N) ore te d e e e u y r= r is to f c (m) adu ore T =tor u (Nm) qe rv fiin y = d ieefce c adan e c d = r i s p rse on Th loadonth be rsu fom th weg t of r u t e e lt e lts r e ih p od c lite p s th d e gn d agas th bu k t sc s u th f d lu e rd ig r e c e oop p e p od c A d tyf tori u dto ac ommod star p r u t. u ac s se c ate t-u load s. Be Load= (total bu k t load+ d e g load lt ce rd e ) Th bu k t loadi th su ofth load dbu k ts onth e ce s e m e e ce e u war sie Th d e gn loadc bee mate eth rby p d d. e rd ig an sti d i e ad igane uv n le g (5m f c tiu s bu k ts, dn q iale t n th or on n ou c e 12m f sp e bu k ts) to th be orbyu of e or ac d c e e lt se th f ollowigf mu n or la. 90 Wb Drd eload(N) = eg Ps wh r W b = weg t ofmatei i e hbu k t (k ) ee ih ral n ac c e g Ps =Bu k t sp igonbe (m) c e acn lt A q ikc e konth loadc bed eu n th f mu uc h c e an on sig e or las f wor an p r W = F (Nm) an P = W /t = F (W ). or k d owe. .s d .v

g 7 Bu k t load= Lb = 1700k / m 3 0.0005m 3 8 9.8 = 6 N ce

Th d e gn load= e rd ig g 90 1700k / m 3 0.0005m 3 = 109 N 0 .7 m

Total p lle load= (6 N + 109 N) = 176N u y 7 Ths loadac at th c n eofth bu k ts, whc h ea i ts e e tr e ce ih av p ojc onof r e ti 100 mm. Th r i dstan eto th bu k t e adal i c e ce c n r i 150 mm + 50 mm = 200 mm e tes s Powe p lle = ru y 2 38 176 0.2 7 = 14 W 6 1000 0.98 0

As a c e konth c u onhc e alc lati To lit 5,000 k /h to a h ih of m allowigf 50% f g r eg t 5.5 n or efce c ov r fiin y eall. 5000 9.81 5.5 = 54 k W = 0 Nm 0.5 W 54 ,000 0 = = 150W (whc i c P= ih s loseto th p e i s e rvou t 36 00 an rc sieigth ac al efce c i u k own swe on d rn e tu fiin y s n n ).

Postal: F EED F ORW ARD PUBLI CATI ONS PO Box578, BENTLEY, W e Au ali 6 , st str a, 102. E-mai if fe f war .c l: n [email protected] e d or d om.au W e www.fe f war .c . b: e d or d om.au . DI CLAI ER: All be e d av s h ebe nmad to isu eth ac u ac ofth if mati i th sen s. Be au th c te t i whc th n s ar S M st n e or av e e n r e cr y e n or on n e ote c se e on x n ih e ote e u di u k ownweac e t n rsp si li f th c se u n e ofu n th if mati c taie ori lis wi i th m. se s n n c p o e on bi ty or e on q e c s sig e n or on on n d mp e thn e

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CONF RM DRI ARRANGEM ENT POW ER I VE Th loadonth motori tr sfre th ou hth d iefom e e s an erd r g e rv r th h adp lle . S mp r o c u on bac to th g ar e e u y i le ati alc lati s k e e motorsh t wi allow d temiati of etor u at th af ll e r n on th qe e ou u sh t. Ths tor u i th nc ardto th allowable tp t af i q e s e omp e e tor u to c fr th sutabi tyof eg armotor q e on im e i li th e . Th p rth ou hth g ar mu beice di e owe r g e e box st n rase n ac or an ewi c d c th - Th man f tu e' sevc f tor rq ie n f e u ac rrs r ie ac s e urme t or itemi n op r onan sh kloadn . n r tte t eati d oc ig - Drv efce c . ie fiin y W i th p rth ou hth d ietr nk own th c ai th e owe r g e rv ai n , e h n su p e c c fr th c ai se c onorc u on p lir an on im e h n le ti alc lati s p ror du n ap r ratef mu ef me sig p op i or la. DETERM I PULLEY DRI S NE VE HAF S ZE T I Th d iesh t siei c u dto h d th strsse e rv af z s alc late an le e e s g n r dbya bog e orj e eate g d amme c v y . Allowan ei d on e or c s mad f strss c c n ati s c sigme f g ean e or e on e tr on au n tal atiu d sevc f torc rc on ar also ap lid Th dame rof r ie ac ore ti s e p e. e i te th sh t i se c dso th th strsse ar we wi i th e af s le te at e e s e ll thn e sh t matei s me r ial c acty af ral' tallu gc ap i . Byths stag ii al dme si e d awig c besk tc e i e nti i n on d r n s an e hd u n th if mati c i dfom th p e i s sig e n or on omple r e rvou c u on alc lati s. Comme c byc str c n a fe -bod dag am of e ne on u tig re y i r th h adp lle loc di i be ig wi th d iesp oc e e u y ate n ts arn s th e rv r k t mou te at th d iee d Th h adp lle wi be n d e rv n . e e u y ll mou te to th sh t u n h bs at e he d Ths allows n d e af sig u ac n . i th u ior loadp od c dacoss th p lle byth be to e nf m r ue r e u y e lt bed awnas p n load onth sh t at th mi p n r oit s e af e d oit p ti of ac h b. osi on e h u Th p ti an ore tati of eg ar d ieh n e osi on d in on th e box rv as ot y t be nd temie . I i be to d sinf th loadn e e e r n d t s st e g or e ig aran e n th p od c s th g e st strsse an sieth r g me t at r u e e rate e s d z e sh t ac or ig . Ths p r ts th g ar to beloc d af c dn ly i emi e e box ate i an ore tati i f tu e n y in on n u r. Th load onth sh t ar i ownse -weg t, th be an e s e af e ts lf ih e lt d bu k t weg ts, th be te si load(fom p od c weg t c e ih e lt n on r r u t ih an fiti d ierq ie n an th d iesp oc e d rc on rv e urme ts) d e rv r k t f c g n r dbya bog e orj ore e eate g d amme c v y . Th d on e or e be ig c n rall th sef c s an k e th sh t i arn s ou te e ore d e p e af n p e lac . Po wer = (T1 - T2 ) v (W att) wh r T1= tih siete si (N) ee g t d n on T2 = loosesiete si (N) d n on v= be sp e (m/se ) lt e d c Also T1 = e µ wh r e= 2.718 (baseof atu al log ee n r s) T2 fiin fiti µ = Coefce t of rc on c c tac n adan = ar of on t i r i s Th c fiin offiti f r bbe onste l i 0.25 an e oefce t rc on or u r e s d f r bbe onr bbe 0.35. Th ar of on t i 180 or u r u r e c c tac s d g e s f bu k t e v s p ovd dth bottom p lle i e re or c e le ator r ie e u ys th samedame ras th h adp lle . e i te e e u y

Postal: F EED F ORW ARD PUBLI CATI ONS PO Box578, BENTLEY, W e Au ali 6 , st str a, 102. E-mai if fe f war .c l: n [email protected] e d or d om.au W e www.fe f war .c . b: e d or d om.au . DI CLAI ER: All be e d av s h ebe nmad to isu eth ac u ac ofth if mati i th sen s. Be au th c te t i whc th n s ar S M st n e or av e e n r e cr y e n or on n e ote c se e on x n ih e ote e u di u k ownweac e t n rsp si li f th c se u n e ofu n th if mati c taie ori lis wi i th m. se s n n c p o e on bi ty or e on q e c s sig e n or on on n d mp e thn e

CONF RM DRI ARRANGEM ENT POW ER I VE Powe at th h adp lle i 14 W . Tor u at th h ad r e e u ys 7 qe e e p lle sp oc e i drc p op ti al to th iv r of e u y r k t s ie tly r or on e n ese th dame r at whc th tor u ac i tes ih e q e ts. I ths c u onth g ar sevc f tori 2 an c ai n i alc lati e e box r ie ac s d h n d ieefce c i 0.98. rv fiin y s 14 2 7 = 300W Ge motorp r= ar owe 0.98 Th logc c oiei to se c a small 0.55 k or1.1 k e ial h c s le t W W 4 olemotor F th c u onu a 1.1 k motor as -p . or e alc lati se W , ths wi p r t alteigsp oc e sie i op r n d tis i ll emi rn r k t z s f eatig u e c an ei f tu e h g n u r. DETERM I PULLEY DRI S NE VE HAF S ZE T I Th c c p al sk tc f th h adp lle i sh e on e tu e h or e e u y s ownbe low.

Th f c s ar ore te i th v r c ic dn th d ie e ore e in d n e etial, n lu ig e rv sp oc e f c . Ths aran e n p od c s th hg e r k t ore i r g me t r u e e ih st load onth sh t. Th g ar c beore te i th s e af e e box an in d n e h ion S c anaran e n wou n h ev r c orz tal. u h r g me t ld ot av etial load at th sp oc e Th sp oc e loadwou th nbeat s e r k t. e r kt ld e 90 d g e s to th be te si . Ths wou p od c le e re e lt n on i ld r u e ss ov r strss i th sh t an a smalle sh t c ldbeu d eall e n e af d r af ou se . Howe e i ths d sinth wor aseore tati wi be v r n i e g e st-c in on ll u d se . I i n c ssar to d temieth te si i th be to lit th t s e e y e r n e n on n e lt f e f ll bu k ts an ov rometh d e gn load u ce d ec e rd ig . Th p rth ou hth h adp lle i 1.1 k . e owe r g e e u y s W 1100 1.2 = = 1 .6 k T1 = 8 N 1 1 1 - 0.25 1 - µ e e T2 = 0.77 k N P v

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Th be igat th oth re dofth sh t i th loosebe igan mov s i i h sigto p r t th sh t e arn e e n e af s e arn d e n ts ou n emi e af to g ow orsh ikas th te eatu ec an e Th samearan e n ap lis to th bottom p lle . r rn e mp r r h g s. e r g me t p e e u y

W h r a bu k t e v ee c e le atori tr sp tigbasiallyd st fe p od c i a moi r-fe e vr me t i s an or n c u re r u t n stu e re n ion n t wou beac e tableto c oosemaite an efe be ig wi ite r d st an moi r se ld cp h n n c re arn s th n g al u d stu e als. Th se e be ig c arn s omeg e df liean h en n e f ad i on lu iati . I wou bebe to p ovd an rase or f d av o e d or dti al brc on t ld st r ie e ten se i th be igh sigas we to p ovd a se on le e ofp ote ti f th be ig x r al al n e arn ou n ll r ie c d v l r c on or e arn .

W h r th r i d styp od c an /ormoi r (ste r n h d ee ee s u r ut d stu e am, ai, ose ownsp ay f , sn c d n on e ) r , og ow, on e sati , tc ii be to c oosea be igan h sigth allows p r igwi fe g e . As th fe g e i t s st h arn d ou n at u gn th rsh rase e rsh rase s p mp di, th oldc tamiate g e i p sh dou an th r n e me ts g t c anlu ian to r n u e n e on n d rase s u e t d e ollig le n e le brc t u i. n

Ths also me s th some eh to p mpth g e i an th ih to bed eona rg larbasi i an at on as u e rase n d at t as on eu s wi ou f l. I n c ssar c ar ap oit some ec e n wh i rsp si to isu eth g e n i th t ai f e e y le ly p n on omp te t o s e on ble n r e rasig s d e Grasigi a ci c i or t j to th su c ss ofy re up n an th p op d n th on . e n s rtially mp tan ob e ce ou q ime t d e e le oig e g e n rallyn e to u d r dlu iati an th i or t p t th th yp i k e igp t an rasig e ed n estan brc on d e mp tan ar at e lay n e pn lan d e up n op r n p op r . q ime t eatig r ely

BEARI HOUS NG S NG I ELECTI AND POS TI ON I ON.

Onth lowe p lle an th n -d iee dofth topp lle u be igh sig wi on on sh t e r u y d e on rv n e u y se arn ou n s th ly e af e tr c an a bolte an g e dc e at th oth r Th me s th r i on on wayf c tamian n an e d d d ask te ov r e e. at an ee s ly e or on n ts to e te. W h h etwo p e th c gv y p oble n r y av lac s at an ie ou r ms? Don t u h sig wi e dc e isets ' se ou n s th n ov r n r p sh dito p e th yc also bee lyp p dou an le dr u e n lac , e an asi op e t d t it/moi r ito th be ig On u stu e n e arn . ly se h sig wi bolte e dc es an mak su eth r i a g e to stopfn d st/ moi r g ttigi. ou n s th d n ov r d e r ee s ask t ie u stu e e n n

I y mou t th be igh sigdrc to th e v f ou n e arn ou n ie t e le atorp e y wi fn th be ig f l of n As an ls ou ll id e arn s ai te . soonas th sh t se f ls th p od c an d st wi e te th be ig Youwi n v rk ow a se h e af al ai e r u t d u ll n r e arn . ll e e n al as f le u tith be igf ls. Re u p r igwi c ang e wi e te dth ti be e f lu e bu ai d n l e arn ai g lar u gn th le rase ll x n e me twe n ai rs t wi n stopth orgn p oble ll ot e iial r m.

Postal: F EED F ORW ARD PUBLI CATI ONS PO Box578, BENTLEY, W e Au ali 6 , st str a, 102. E-mai if fe f war .c l: n [email protected] e d or d om.au W e www.fe f war .c . b: e d or d om.au . DI CLAI ER: All be e d av s h ebe nmad to isu eth ac u ac ofth if mati i th sen s. Be au th c te t i whc th n s ar S M st n e or av e e n r e cr y e n or on n e ote c se e on x n ih e ote e u di u k ownweac e t n rsp si li f th c se u n e ofu n th if mati c taie ori lis wi i th m. se s n n c p o e on bi ty or e on q e c s sig e n or on on n d mp e thn e

16

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EXPLOS ON PROTECTI I ON.

A c le an si ofe p v c dti s i be on th sc eofth sen s. Th g a bre ov r iw omp te aly s x losie on i on s y d e op e ote ou h if eve i u f l to th d sin r u ran maitaie. s seu e e g e, se d n n r

S ou e p v p od c lieg ais an f h ld x losie r u ts, k r n d lammablesolis su has c an su h r n e to bee v d d c oal d lp u , e d le ate iwi ben c ssar to d sinf th hg lie h ofe p on Re og i dp ac c i e p v t ll e e y e g or e ih k liood x losi . c nse r tie n x losie si ati s i to u twi-le bu k t e v s wh r th u war le i i a se ar e c dh sigto th tu on s se n g c e le ator ee e p d g s n p ate n lose ou n e d war le . Th two le s c own d g e g ometog th rat th topto dsc ar ean at th bottom to pc -u p od c e e e ih g d e ik p r u t.

I i lie bu stigp e v n n to a saf p en e to beistalle , an p blyp e r an t s k ly r n an ls e tig e lac e d n d d ossi rssu e d te eatu ese sigistr me tati to d te t hg -rskc dti s. mp r r n n n u n on e c ih i on i on

S le ti ofmatei ofc str c onan u ofrgdstr c r d sin sutablef ane p v e c on rals on u ti d se ii u tu al e g s i or x losie e vr me t ar also rq ie . n ion n e e urd

Th i or t asp c ofe p onc tr i to p e e t th ` ieTran le ig e in (f e ox g n an e mp tan et x losi on ol s rv n e F r i g ' n rde ts u l, y e , d inti e eg ) fom oc u rn at th sameti . g i on n r y r c rig e me

Th f e i alway p e n i th p od c i lf Usu ii th d st th i most e p v . I th d st e ul s s rse t n e r u t tse . ally t s e u at s x losie f e u c c n ati i k p lowe th th amou t n e e to su na f on e tr on s e t r an e n ed d stai lameth ne e i aninti sou c i e v n f g i on re s p e n n e p oni p ble rse t o x losi s ossi .

Ox g nc bedsp e byiet g s su has c bondoxd orntr e . Bu iet g s d n y e an i lac d n r asse c ar i ie i og n t n r asse o ot su p t h manliean th i u itr u e oth rd g r p or u f d er se n od c s e an es.

Th most c e ommonme odto p e e t e p on i d st c c s i to p e e t th buld pofinti th rv n x losi s n u olle tor s rv n e i -u g i on e eg . Ths c eth rbefom a sp korfom loc hg te eatu e S ar s oc u be au ofstati n ry i an i e r ar r al ih mp r rs. p k c r c se c c ar ebuld porp ts makn c tac Loc hg te eatu e ar th rsu ofr bbigan we . h g i -u ar ig on t. al ih mp r rs e e e lt u n d ar

Havn ane c ial p c n c n th e c ial c ar eto e thc tr stati. Ths me s on u n ig le trc ath on e tig e le trc h g ar on ols c i an ly sig matei wi e c ial c d c n p op r e f th bu k t e v rals th le trc on u tig r etis or e c e le atorc str c onan th ne c ially on u ti d e le trc

Postal: F EED F ORW ARD PUBLI CATI ONS PO Box578, BENTLEY, W e Au ali 6 , st str a, 102. E-mai if fe f war .c l: n [email protected] e d or d om.au W e www.fe f war .c . b: e d or d om.au . DI CLAI ER: All be e d av s h ebe nmad to isu eth ac u ac ofth if mati i th sen s. Be au th c te t i whc th n s ar S M st n e or av e e n r e cr y e n or on n e ote c se e on x n ih e ote e u di u k ownweac e t n rsp si li f th c se u n e ofu n th if mati c taie ori lis wi i th m. se s n n c p o e on bi ty or e on q e c s sig e n or on on n d mp e thn e

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