Ua ntej, peb yuav tsum xav txog kev tiv thaiv ib puag ncig. Tsim nyog siv cov khoom cua sov tuaj yeem txo cov nqi kev tiv thaiv ib puag ncig hauv cov txheej txheem sludge kom qhuav. Cov tsoos kub tsoos siv ntau cov thee. Thaum cov txheej txheem incineration, lawv emit peculiar tsis hnov tsw thiab haus luam yeeb, uas paug hnyav ib puag ncig. Tib lub sijhawm, txhawm rau kom txo cov pa paug, ntsuab cov peev txheej tau txo qis kev nqis peev hauv cov khoom siv plua plav tawm.
Thib ob, kev nyab xeeb thiab kev cia siab. Thaum lub sijhawm ua haujlwm ntawm kev siv lub tshuab ziab khaub ncaws, hmoov av yuav tsim nyob sab hauv, thiab qee cov plua plav yuav kub thiab tawg, yog li kev nyab xeeb ntawm kev xaiv cov khoom ua cua sov yog qhov tseem ceeb heev.
Thib peb, qhov kev ruaj ntseg ntawm cov khoom cua sov. Lub tshuab ziab khaub ncaws muaj lub sijhawm ua haujlwm ntev, thiab nws yog ib qho tsim nyog yuav tsum nco ntsoov khaws qhov kub ntawm lub qhov hluav taws xob kom tsim nyog kom ntseeg tau qhov zoo ntawm cov khoom siv ziab.
Thib plaub, hloov tau yooj yim. Thaum cov pa hluav taws xob tau hloov pauv, nws yog qhov tsim nyog yuav tau hloov kho thee kom tseem ceeb rau kev thev taus.
