Isitsha sokugaya esingagugi kakhulu se-polyurethane sisebenza kahle kakhulu embonini ye-elekthronikhi nezinto zebhethri. Ayilethi ukungcola okuyingozi ezintweni zokugaya ngesikhathi sokusebenza, futhi iqinisekisa ikhwalithi yemikhiqizo ye-elekthronikhi.