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Khl n61dEinbOl tran ta bltit rc!mgcO rat nh~u n¢i
dung phaiD8n:'~i 1rm tuc phai xet dEind1At~lctfdh,
no Ia chat lOng hay chat ran. Thanh ph~n cac chat b~i
Jt~..1 cGQg 'flhl(MDngphll' 'gta :can ilh@F4~ tang tfnh
ruing bOitrCJlltro.ngnhung.d~liI~n.Ctrth~.Phalxet d&n
.«» nhOt caf; .<itat bOitrdfi ct1ngnhu cae phuong phap do
d¢ nhOi. Trong ph~m vi elIa m¢t chuang·c1lljng1akt1~
• r r111 r , " , . , p
thi4j hMqiYj~n4~ U~nquan,d~n bOtUttIma 'chu y~u
ngh~nahJ'>: 2 d~ng ~i tron Thuy tihh va Thuy ~g ..~
cac phuong trlnh co ban cua chung.
• 1. BOi tron thtiy tinh :
B6i tran bltng dkh.·,MJR d~u cO ap Ilfc cao vao
trong 6trlJc d~ maQgng6nglAn, giCJ'ang6ng va 6cOm¢t
lap d~u CApsuat luOn luOn cO d!nh, ng6ng trlJc quay
trong d~m d~u) lap d~u cang mong thi d¢ ch{nh xac
cang cae.
So dOnguy~n Iy cua 0lam vltlc thuy tlhh:
90
89
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:, D6u,ooapJ\fCfGad"duqcbom 4'COtlgrAp '180 cae
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trf nhAt d!nh khi cO tai. D~u tran qua bAn map 6~tJiu"g
ehua 3. D~~/ehinh titti~I ••(ir6 d~ gID'a "~'va' bqe luOn
:~t~t~ap h1e'Gio.;~i cd 181~'!n~~ tf'4~ dl
~uy'n mc)UU~'.nho tbeo ctfJ6u,ngo~ Ilfc'tam they'd~i
ap IlfC trong bu6ng d~u. Nhc, tich IUu 6 cO th! tflAlt'btrfth
. :~il ~ 1My (Sfihip.~ trong; ooOng du d. 6lam v~e
d~,<f~-fJl$, satU'ot ", .,.,....~
Uu nhu<;lCd~m bOi trdn thuy irnh: ' .v', ,r .' ':
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tOc d~ thApthf mAt mat, tOc d¢ cao thi mAt matnho'hdn
Mt cU'd ~1-6 truQt nao khac.
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ttl~t~h!il'tp2 (,~'L I ' - • , l, j
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uot) do do cho ~ gatnnhos$sO hlrm'daJ;rg'gla' ~g
cling nhu giam ch~u cao nhap nhO ~ m~t gla cOngo
+CO kha nangopba~tfch'va, tmhtry'& dlt<;'Ctat
ca nhang d~c ttltng v6 ma sat do d¢ nhot cUa dau, nh~t
d¢ lam v~c cUa ~;th6ng, dQ' cUng> vang· Cl1a:kAt ~u g61
trllc. dL , :.J,.
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JtWY"tilh.~kh6ng,JX)1 h~n tl.:tqAgmon tmng qucitn'nh
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ngu~Aac; .vii":g6iJrqt thtiy tTnh hau nhttgiOng nhau.
~h~·@g.,ngbt,,-glacOng.'\c:c;i;Q .chkttet ''lhi holm' ·tbirn
khac nhau, no ph4 thu~c vao kha nang suy nghtoo8
nguOiphcit minh'ciing,nbtJ-trinhicdO-cht u,o(;ua nltde do.
Nbi!LJ!:nLt~·diisaft .xutlt ,bang~t 61ttUy tihh(f! xtiat
ktl~u nh,lt Ny, MA, Phap, Th4Y dii~, Nga ... '
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Q4&ithuy trnh chla 2~t sau: '.
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•. ,6 dO "it66i ~. dUng tii, 111.P"i1t1goa;:
• L~i nay 00 nhang ltU d~m sau:
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• KAt dJu ddn gian, d¢ tin ~y cao.
• Ch~ tqo gOitrlJc don gian, d~ dang khi slta chua
~p rap, khOng can phai d~u chinh ph~n t~t Iuu khi ~p
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• D~ dang ch~ tqo cac t~t luu.
• Di&u chinh dUQCap Ilfc lam v~c cUagOi.,_
• Nhu9Cd16m:ca h~ thOng;'~f1~'k~htl;'n""li~(;~d61\~y
chi dung chOithfOOb~~hghlAn cl1ti.~-;n ,;:, '-
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b. 6.dQ ."a'6dil ch~ dUngiHf.ftnJ,ngaytrdrtg& '
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rai h",n nay trong cac may.cO,ng C\I. ~n .th6 gidL
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ap Illc trong buOng. : " .
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