Makala Okhazikika A Carbon Calcined Anthracite
The otsika phulusa zilicalcined anthraciteamachepetsa zotsalira za zinyalala zomwe zimapangidwa panthawi ya kuyaka, zimachepetsa kukhudzidwa kwa chilengedwe, komanso zimachepetsanso kuvala kwa zida ndi kukonza ndalama. Kusasunthika kochepa kumatsimikizira kukhazikika ndi chitetezo cha kuyaka, kupangitsa kuti kuyaka kuzitha kulamuliridwa bwino komanso kupewa kupewa ngozi zomwe zingachitike chifukwa cha kusinthasintha kwakukulu.
