Oluvannyuma lw’emyaka mingi nga bakozesa enkola ya lining plastic payipu, ekosa butereevu obulamu bw’obuweereza n’omutindo omunywevu, ebikozesebwa eby’omutindo ogwa waggulu-omutindo gw’okukola ebintu eby’omulembe bye bikakasa omutindo gw’ebintu ebikolebwa mu payipu za pulasitiika; ebisingawo:
1. Okukola payipu ya pulasitiika eya lining:
1. Omusenyu ku ngulu kwa payipu y’ekyuma kya kaboni sooka;
2. Oluvannyuma ebbugumu payipu y’ekyuma kya kaboni eri wakati wa diguli 300-370;
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