Hakikisha kusema tatu, inapaswa kuwa: PPR, PVC, PE 1. Mabomba ya plastiki yanayotumiwa kawaida ni: PPR (polypropen), PVC (polyvinyl chloride), PB (polybutene), PE-RT (polyethilini isiyokinza joto), PE. (polyethilini) \HDPE (polyethilini iliyoimarishwa ya wiani wa juu) ethilini), nk Pili, ukubwa wa bomba la plastiki...
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