Vadivelu Comedy News
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Chii chakanakira PE bag?
PE plastic bag ipfupi kune polyethylene.Icho chinonzi thermoplastic resin polymerized kubva ethylene.Polyethylene haina hwema uye inonzwa kunge wakisi.Iyo ine yakanakisa yakadzika tembiricha kuramba (yakaderera tembiricha yekushandisa tembiricha inogona kusvika -70 ~ -100 ℃), yakanaka kugadzikana kwemakemikari, resis ...Verenga zvimwe