Iwo maficha emagetsi fenzi chitubu simbi pigtail post ine simba yakavharwa pamusoro:

Kune iyo hosipaipi, inogadzirwa nemubatanidzwa weHDPE uye LLDPE.
Giredhi repamusoro re UV-kudzivirira ..
Yakaratidza mushure-kugadzirwa kurapwa kune iyo hosi kuti isunungure kusagadzikana mukati.

Yezve Simba rekumhara pamusoro, iri yepamusoro giredhi PET poda-kupfeka (uchishandisa mbishi zvinhu kubva kune yakashambadzirwa kambani).

Chikamu chekutsika ndeche 2 mativi weld, kwete chete 1 divi, nekuti ichi chitubu simbi inopwanya, iwo mativi maviri ekuchinjisa akasimba zvakanyanya.