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Uboya obumunca uwoyela buzwakala kumashidi noma amaroli
Uvolo olumunca uwoyela oluzwakala lucindezelwa lusuka kuvolo olumsulwa, olungamunca kahle uketshezi futhi lululondoloze, ngaleyo ndlela luvimbele ukusabalala kokuvuza.Ngaphezu kwalokho, ngemva kokukhishwa kwe-extrusion, u-72% -90% woketshezi oluvuzayo lungabuyiselwa.Izindleko eziphansi, akukho ukukhiqiza uthuli, nesitoreji esingenamkhawulo.
