32 Cov Khoom Siv Hniav rau kev hloov cov qauv hniav
Cov khoom no muaj 32 daim, ntim rau hauv lub hnab OPP pob tshab, thiab suav nrog cov ntsia hlau thiab cov ntsia hlau.
Cov hmoov npaj hniav yog cov hmoov hloov pauv rau cov qauv npaj hniav.
Ua los ntawm cov khoom siv PVC, lawv tau nruab nrog cov ntsia hlau, uas ua rau yooj yim disassembly thiab hloov pauv rau ntawm cov qauv hniav qub.
Cov granules no yog tsim tshwj xeeb rau kev cob qhia kev kho hniav.
Lawv zoo tagnrho rau cov tub ntxhais kawm kho mob, cov kws kho mob, cov kws tu mob, thiab cov xibfwb qhia txog qhov ncauj.
Txawm hais tias nws yog rau kev txhim kho cov txuj ci hauv kev npaj kho hniav, xyaum ua kom raug thaum lub sijhawm kho hniav, lossis txhim kho kev txawj ntse hauv kev kho hniav, cov granules no muab cov kev daws teeb meem kev cob qhia uas muaj tseeb thiab yooj yim.
Lawv cov qauv PVC ruaj khov ua kom siv tau ntev, ua rau lawv yog qhov kev xaiv zoo rau kev cob qhia ntau zaus.