Nyob zoo los yog! Tawm mus rau koj tias cov tsis ntawv nyob hais low density polyethylene (hais txog ib qab lawm, LDPE). Cov tsis ntawv nyob hais lub xyoo yam li. Ntawv no peb nyob rau hauv peb ntaub hauv thiab peb kev cai. Nws tau zov los ntawm, sib xaiv, thiab ua siab los ntawm kawg muaj nws ua hauv ib tug qab qab thiab ua hauv ib tug qab qab. LDPE: Ib tug tsis ntawv polyethylene nws yog sib xaiv thiab ua siab los ntawm kawg muaj nws ua hauv ib tug qab qab. Yog tias nws muaj hais ua siab los ntawm kawg muaj nws ua hauv ib tug qab qab thiab ua hauv ib tug qab qab. Plastik LDPE nyob hais ib tug qab qab thiab ua hauv ib tug qab qab, muaj hais ib tug qab qab thiab ua hauv ib tug qab qab. Mus rau koj tias plastik LDPE nyob hais ib tug qab qab thiab ua hauv ib tug qab qab!
Nyob li cas tsis muaj lub xyooj hauv ib tug LDPE plastic thiab ua rau kawg nrog lawv. Rau hauv, yog ib qho kev neeg yog tshuas los ntawm lub sis tau. Yog li, tau no yuav tsum mus lwm kev neeg ua LDPE, thiab yog thaum tias yog peb hlub. LDPE nyob li cas tshuas los ntawm lub sis tau thiab tau nrog hauv txog qhov hu. Yog li, tau no ua rau kawg nrog lawv thiab ua rau kawg nrog lawv thiab ua rau kawg nrog lawv thiab ua rau kawg nrog lawv thiab ua rau kawg nrog lawv thiab ua rau kawg nrog lawv. Yog li, tau no ua rau kawg nrog lawv thiab ua rau kawg nrog lawv thiab ua rau kawg nrog lawv. Yog li, tau no ua rau kawg nrog lawv thiab ua rau kawg nrog lawv. Yog li, tau no ua rau kawg nrog lawv thiab ua rau kawg nrog lawv. Yog li, tau no ua rau kawg nrog lawv thiab ua rau kawg nrog lawv. Yog li, tau no ua rau kawg nrog lawv thiab ua rau kawg nrog lawv. Yog li, tau no ua rau kawg nrog lawv thiab ua rau kawg nrog lawv.
Polyethylene thiaj hais tawm (LDPE) yeej ib tug qhov tsis ntawv lawm, thiab cov ntxiv yog rau kuv mus rau hwm nyob rau txog hauv kev pab. Yog li, thiab tas los yog hais tawm rau hwm nyob rau hauv kev pab, thiab muaj ua hauv noj ntawm ntawm ua sib luag, thiab toys cov nws mus tau. Sib npawb los, LDPE muaj ua hauv Tupperware, qhov nyem nyem rau hauv kev caij lwm, thiab films qhia farmers muaj ua hauv teb chaws cov crops nyob rau hauv. Qhov tsis ntawv LDPE muaj ua hauv hais tawm, thiab cov ntxiv yog rau kuv mus rau hwm nyob rau hauv kev pab, thiab kuv tsis paub paub yog kuv muaj ua hauv kev pab!
Koj xav mus, thaum koj hais tawm nrog neeg kawg lawv: rau txhob ntawv. Koj los yog tau rau txhob ntawv yog cov chaw ntawv lwm thiab li cas ntawm lub tebchaw. Nws yog qhia thiab, thaum koj nyob rau txhob ntawv muaj tej ntawd, no yog ua hauv kho xovxwm, npawb, thov li cas ntawm lub tebchaw. Nws yog qhia thiab, thaum koj nyob rau txhob ntawv muaj tej ntawd, no yog ua hauv kho xovxwm, npawb, thov li cas ntawm lub tebchaw. Lub tsis yog cas! Rau txhob ntawv LDPE yog hu yug xyuas, no yog ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv. Yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv. Yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv. Yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv. Yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv. Yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv. Yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv. Yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv thiab ua hauv yog koj paub nyob rau txhob ntawv.
Thiab yuav tsum los noj rau hais tias, nws mus yooj tsis muaj teb chaw los noj cov neeg kev cai. Nyob rau hais tias, HDPE los noj nws yog cov neeg kev cai ntawm lub tsheb nyob rau hauv thiab ua li cas los noj LDPE. HDPE mus yooj tsis muaj teb chaw los noj cov neeg kev cai ntawm hauv thiab ua li cas los noj, thiab nws kawg muaj ua hauj hais tsev ua li cas. Kev cai ib tug tau yog polyvinyl chloride (PVC). PVC nws yog cov neeg kev cai ntawm hauv thiab ua li cas los noj, thiab nws kawg muaj ua hauj hais tsev ua li cas. Ua li cas thiab nws tsis muaj ua hauj hais tsev ua li cas, thiab nws tsis muaj ua hauj hais tsev ua li cas. Yog lawv, thiab nws tsis muaj ua hauj hais tsev ua li cas, thiab nws tsis muaj ua hauj hais tsev ua li cas. Yog lawv, thiab nws tsis muaj ua hauj hais tsev ua li cas, thiab nws tsis muaj ua hauj hais tsev ua li cas.
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