Mapaipi akasungirirwa nesimbi isina ngura anonyanya kushandiswa mukugadzira magadzirirwo enzvimbo dzemaguta uye muinjiniya yekushongedza; muindasitiri yemagetsi, mishonga, kugadzira mapepa, kurapwa kwetsvina, kupa mvura, michina, nezvimwewo, kunewo huwandu hwakakura; muindasitiri yemakemikari, fetiraiza, petrochemical nedzimwe nzvimbo, zvirevo zvakajairika ndezve Φ159mm. Mapaipi ekutakura ane simba repakati nepasi ari pamusoro apa; muffler yemotokari inoshandisawo mapaipi akasungirirwa nesimbi isina ngura.

Mapaipi asina musono esimbi isina ngura anonyanya kushandiswa mu "makemikari matatu" (makemikari, fetiraiza, faibha yemakemikari), peturu, mabhoyira emagetsi, michina, ndege, indasitiri yenyukireya, indasitiri yekudzivirira nyika nedzimwe nzvimbo.