Zvinhu zvechigadzirwa:
Ndiro huru yakagadzirwa nebhodhi rePP (polypropylene) rine ukobvu hwe8mm, rine zvinhu zvakasimba
kuramba acid nealkali, uye chijoini chacho chakagadzirwa nehunyanzvi hwekugadzira welding isina musono nemaoko
tsvimbo yekuwedera ine ruvara rumwe chete, inodzivirira asidhi yakasimba, inodzivirira kukuvadzwa, haina ngura, haina ngura.