01 Setsebi se Phahameng sa Ts'ebetso Refractories Hollow Microsphere Cenosphere
Li-cenospheres, tseo hape li bitsoang li-microspheres, ke li-inert, li-sphere tse se nang letho le li-fillers tse bobebe. 'Me li na le letsoalo le tlase, ha li na chefo, li thibela ho bola, li tsitsitse mocheso, matla a sa fellang, li sireletsang hantle, li arola molumo, li monya metsi a tlase ...