Kugwiritsa ntchito kompresa yodziwika bwino, kuzizira mwachangu, kupulumutsa mphamvu zambiri komanso phokoso lochepa;
Kutulutsa thovu lonse, kukhuthala kwa thovu, kupulumutsa mphamvu ndi kupulumutsa mphamvu, kuziziritsa kofananako, komanso kutsitsimuka kwanthawi yayitali;
Anti-fogging, cambered, galasi lotentha, palibe mapindikidwe, palibe chifunga, ndi kutsekemera kowonjezera kutentha;
Dongosolo lanzeru lowongolera kutentha, lolondola kwambiri, losavuta kugwiritsa ntchito komanso lopanda nkhawa;