Sabuwar nau'in busassun busassun juzu'in juzu'in juzu'i ana amfani dashi galibi a cikin zaɓin kayan haɓakawa, galibi silicon da kayan haɓakar aluminium, kayan zafi mai zafi taye-alkaline, kayan haɓaka mara daidaituwa, sassan da aka riga aka shirya, insulation refractory ...
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