Hais txog qhov zoo. No lub thoob hlau yog ib qho khoom lag luam tshwj xeeb siv los tuav cov xim. Nws muaj cov kev coj ua muaj zog thiab tsim kev nkag siab, thiab yog lub chaw ntim khoom hlau. Cia' s saib nws cov khoom, uas yog tinplate, thiab cov yam ntxwv muaj zog thiab ruaj khov Kuv ntseeg tias txhua tus tau hnov. Kev kho xim saum npoo yog puag ncig thiab du uas tsis muaj qhov cuam tshuam. Yuav tau txau raws li cov neeg siv khoom. Hais txog nws qhov kev siv, qhov tseeb, hom hlau ntim no tuaj yeem siv ntxiv rau cov xim pleev xim, lwm yam khoom noj, cov khoom lag luam tshuaj, tshuaj, thiab lwm yam Nws'
Thaum peb siv cov hlau nruas, peb yuav tsum ua tiav kev kho mob txhua yam, thiab thaum siv nws, peb kuj yuav tsum kho ob qho sib txawv, thiab ua ib txoj haujlwm zoo hauv kev kho txhua yam.
Lub tshuab nruas hlau muaj kev loj hlob zoo thiab daim ntawv thov kev cia siab, thiab tuaj yeem siv cov khoom siv los hloov cov hlau, iav, thiab cov thawv ntim khoom ntim. Piv nrog rau cov thawv ntim khoom, ntim-cov yas ntim khoom muaj ntau qhov pom tseeb zoo dua. Nws cov yam ntxwv tseem ceeb yog: vim daim ntawv yog cov khoom siv raw, nws yooj yim rau kev rov ua dua tshiab thiab lis; nws muaj kev tiv thaiv zoo tshaj, kev ua dej tsis tau, noo-pov thawj, thiab qee yam kub rwb thaiv tsev nyhuv; ntxhiab tsw, tsis muaj tshuaj lom, muaj kev nyab xeeb thiab txhim khu kev qha, tshwj xeeb yog tsim rau ntim khoom noj; tuaj yeem sau nrog cov khoom lag luam ntawm ntau yam duab, thiab lub suab qis thaum lub sijhawm sau; tuaj yeem tiv taus qhov zoo thiab tsis zoo, tuaj yeem siv rau lub tshuab nqus tsev lossis nitrogen ntim cov khoom ntim
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