Gariirada birta dahaarka leh ee dahaarka leh ee dahaadhka u adkaysta muddada dheer si ay u caawiso habka miridhku u gaabiyaan nolosha guga.
Waxaa laga sameeyay gariiradaha birta guga ee kulaylka lagu daaweeyay oo leh koofiyo aluminium ah si loo hubiyo inay yihiin waajibaad aad u culus.