Kumangirira kozungulira, komwe kumadziwikanso kuti kuumba mozungulira, kuumba mozungulira, kuumba mozungulira, ndi zina zambiri, ndi njira yopanda pake yopangira thermoplastics. Njira yake ndi yakuti zida za pulasitiki zimayikidwa poyamba mu nkhungu, ndiyeno nkhunguyo imasinthasintha mosalekeza pamodzi ndi nkhwangwa ziwiri zoyima ndikutenthedwa. Pansi pa...
Werengani zambiri