Thaum xaiv tus nqi-zoo hauv pem teb cua sov yeeb nkab, qhov zoo tuaj yeem lav tau. Yuav kom txuag tau tus nqi, qee cov tuam ntxhab sib xyaw cov khoom pov tseg hauv cov khoom siv raw, kom cov kav dej ua tau zoo tsis tsim nyog thiab tsis muaj kev lees paub zoo. Thaum siv cov yeeb nkab zoo li no, nws yog ib qho yooj yim rau kev tawg cov yeeb nkab nyob rau theem tom ntej. Xaiv cov khoom siv hluav taws xob zoo hauv pem teb, yam tsawg kawg yog qhov zoo tuaj yeem lav, xyuas kom cov neeg siv khoom siv hauv tsev cua sov kav. Cov nqi hluav taws xob hauv pem teb cua sov yeeb nkab tsis suav nrog cov yeeb nkab, uas tuaj yeem pom tom qab siv tom qab. Thiab qee cov kav dej hauv pem teb tsis zoo, tom qab siv lub sijhawm, txheej txheej ntawm cov nplai yuav tshwm rau ntawm phab ntsa sab hauv ntawm cov kav dej hauv pem teb, uas yuav cuam tshuam rau cov dej zoo. Tom qab cov phab ntsa hauv pem teb cua sov yeeb nkab yog fouled, cov kev pab cuam lub neej ntawm cov cua sov hauv pem teb yeeb nkab yuav raug txo, uas yuav ua rau kom qhov tshwm sim ntawm cov teeb meem nyob rau hauv kev siv cov cua sov hauv pem teb. Xaiv cov khoom siv hluav taws xob hauv pem teb kom txuag tau nyiaj. Nyob rau hauv cov nqe lus ntawm kev tsim kho, tus nqi-zoo hauv pem teb cua sov kav yog ib qho yooj yim rau nruab, yooj yim thiab yooj yim rau nruab; nyob rau hauv cov nqe lus ntawm tus nqi, qhov zoo yog nyob rau hauv txoj kab nrog huab hwm coj noj, uas yog zoo tagnrho; nyob rau hauv cov nqe lus ntawm kev siv tom qab, cov teeb meem zoo tsis yooj yim tshwm sim, thiab tsev neeg kev nyab xeeb yog lav; nyob rau hauv lub tom ntej theem Tom qab ib tug ntev lub sij hawm, cov kav dej yog ib qho yooj yim los tswj, thiab tus naj npawb ntawm cov txij nkawm yog txo nyob rau hauv nruab nrab, uas yuav txuag tau ib tug ntau ntawm cov nqi tu rau tus tswv. Cov kav dej kub hauv pem teb raug nqi zoo, cov kav dej zoo, xis rau cov neeg siv, thiab yuav tsis muaj kev pheej hmoo ntawm kev saib xyuas ntau zaus hauv kev siv tom qab. Qhov zoo ntawm cov yeeb nkab yog qhov zoo, qhov siab ntawm cov yeeb nkab hauv pem teb ua tau raws li tus qauv, thiab cov dej siab yuav tsis cuam tshuam rau cov yeeb nkab. Qhov zoo ntawm cov yeeb nkab yog qhov zoo, uas txo cov naj npawb ntawm kev tu tom qab siv rau cov neeg siv, txuag nyiaj txij nkawm, thiab tsis muaj kev sib tsoo. Yog li ntawd, nco ntsoov xaiv cov khoom siv hluav taws xob zoo hauv pem teb.
