Nrog cov yam ntxwv ntawm qhov kub thiab txias tsis kam, corrosion kuj, abrasion tsis kam thiab rwb thaiv tsev, ceramic tuaj yeem ua haujlwm ntau yam khoom siv hluav taws xob semiconductor nrog rau qhov kub thiab txias, lub tshuab nqus tsev lossis corrosive roj rau lub sijhawm ntev.