120 * 120mm yumbu ya haifar da dumama farantin

Tsarin ruwa ya haifar da abubuwan da ake amfani da su, masu zafin rai wanda ke ba da dogon zuci wanda ya haifar da radiation. Ana amfani da heermic heaters da kuma introred masu zafi a cikin jerin masana'antu da injiniya kamar hermerming herans, bugu da kuma zubar da wuta don bushewa.