Laminated jira risiri rakarukwa icomposite (recombination) chigadzirwa (Chigadzirwa), chinova chinonamira chepurasitiki (chimiro: synthetic resin, plasticizer, stabilizer, ruvara), firimu (ritete uye rakapfava rakajeka shizha) ine jira risiri rakarukwa. -chigadzirwa chitsva (Chigadzirwa) mushure mekunge banga rakasiyana chaizvo ...
Verenga zvimwe