● Tepi yodziwika bwino ya pulasitiki
● Imasonyeza malo a mzere wamagetsi wobisika.
● Kapangidwe ka polyethylene yotetezeka kwambiri yokhala ndi zilembo zakuda zolimba
● Kuzama koyenera kwa maliro a mainchesi atatu pa tepi pakati pa mainchesi 4 mpaka 6.
| Mtundu wa Uthenga | Chakuda | Mtundu Wakumbuyo | Buluu, wachikasu, wobiriwira, wofiira, lalanje |
| Zinthu Zofunika | Pulasitiki 100% yopanda chilema (osagonja ku asidi ndi alkali) | Kukula | Zosinthidwa |
Tape Yolembera Mizere ya Underground Fiber Optic ndi njira yosavuta komanso yotsika mtengo yotetezera mizere yogwiritsidwa ntchito yobisika. Matepi amapangidwa kuti asawonongeke ndi asidi ndi alkali zomwe zimapezeka m'nthaka.