Yadda ake bambance tsakanin kebul na fiber optic mai kyau da mara kyau?
1. Kurfe na Waje: 1. Kurfe na waje na kebul na gani na cikin gida gabaɗaya an yi shi ne da polyvinyl chloride (PVC), polyethylene, ko polyurethane mai hana harshen wuta (LSZH). Kurfe na waje yana da santsi, sheƙi, sassauƙa, kuma mai sauƙin cirewa...
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