Cov neeg siv los siv iav thaum lawv siv los tshawb pom tias muaj ntau yam tsis zoo hauv lub khob, lossis lawv tsis meej thiab qhov muag plooj. Yog vim thaum lub khob raug tsim, nws tsis raug ntxuav los yog tu tsis huv, thiab cov nyhuv tu tsis zoo. Tab sis nrog kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis, ntau dua thiab yooj yim dua ntxuav cov cuab yeej tau tshwm sim. Qhov no ua rau tib neeg lub neej yooj yim dua, thiab cov iav siv zoo nkauj dua.
Muaj ntau cov khoom lag luam iav tam sim no siv iav ntxhua khaub ncaws, thiab tseem muaj ntau ntawm cov iav ntxhua khaub ncaws. Yog tias koj yuav lub Hoobkas ncaj qha siv lub tshuab ntxuav, tom qab ntawd cov chaw tsim khoom yuav muaj cov khoom lag luam tshwj xeeb, tab sis qhov rov qab tuaj yeem tsuas yog thov rau tus kws teeb tsa tshwj xeeb. Rau kev siv tshuab ntxhua khaub ncaws, kev teeb tsa kev tshaj lij kuj tseem ceeb heev.
Ua ntej tshaj plaws, muaj qee qhov teeb meem rau kev txhim kho iav ntxhua khaub ncaws. Nws yuav tsum tau nruab nrog lub zog txaus, xws li peb puas thiab yim caum volts, es tsis txhob siv hluav taws xob hauv tsev neeg. Vim tias lub zog siv ntawm lub khob ntxuav thiab qhov ntsuas hluav taws xob thiab lub zog hluav taws xob kuj sib txawv, lub hwj huam siv yuav tsum ua tau raws li qhov yuav tsum tau ua, txwv tsis pub nws siv yuav muaj teeb meem ntau dua, thiab cov txiaj ntsig ntxuav tsis tuaj yeem ua tiav zoo.
Qhov thib ob yog kom muaj qhov dej txaus ntawm qhov dej thiab tso dej kom raug rau hauv qhov chaw uas tau ntxuav lub tshuab ntxhua khaub ncaws. Ob qho khoom siv no yog qhov tseem ceeb heev rau kev siv lub tshuab ntxuav iav. Vim tias kev ntxuav tu ntawm iav yog feem ntau yog kev siv dej, yog tias tsis muaj dej tsis txaus. Tom qab ntawd nws tsis tuaj yeem nqa tawm iav tu. Ntawm chav kawm, tsis muaj qhov dej ntws pov tseg. Tom qab kev tshaj lij, nws cov dej khib nyiab tau qias neeg heev. Yog tias tsis muaj qhov tshwj xeeb qhov dej ntws pov tseg, cov dej uas raug rhawv tawm yuav ua rau dej tsis huv.
Thaum kawg, thaum lub khob ntxuav yog siv rau ib ntus, nws yuav tsum kho. Ntau ntu thiab cov zoo li yuav hnav lossis hloov chaw, thiab kho kom haum raws sijhawm yuav ua rau lub neej ntawm kev siv. Yog li ntawv, tsim kho kom raug thiab kho kom haum raws sijhawm yuav ua rau lub neej kev siv thiab pab ntxiv ntev rau lub sijhawm ua haujlwm.