Gonhi rekudzivirira moto ratakataura rinowanzoreva Class A thermal insulation fireproof gonhi, iro rinogona kusangana nezvinodiwa zvekutendeseka kwemoto uye kupisa kupisa mukati menguva yakatarwa, kudzivirira moto uye utsi kupararira, uye kufambisa kuburitswa kwevashandi. Magonhi emoto ane magonhi ane hinged. Iyo inoumbwa negonhi remusuwo, shizha regonhi, hinge yemoto, kukiya moto uye zvimwe zvinhu.