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Zitsanzo zogwiritsa ntchito mipope ya polyethylene (PE) yopezera madzi
Abstract Polyethylene (PE) m'mipope yama pulasitiki yakula mwachangu padziko lapansi m'zaka zaposachedwa. Nkhaniyi ikupereka zitsanzo zingapo za momwe mapaipi a polyethylene (PE) amagwiritsidwira ntchito popezera madzi kuti atchulidwe ndikuthandizira. Polyethylene (Pe) tsa ...Werengani zambiri
