Fyuluta, munjira zambiri, ndi chipangizo kapena zinthu zomwe zimagwiritsidwa ntchito polekanitsa kapena kuchotsa zinthu zosafunikira ku chinthu kapena kuyenda. Zosefera zimagwiritsidwa ntchito mosiyanasiyana, kuphatikiza kuyeretsa mpweya ndi madzi, makina a HVAC, mainjini amagalimoto, ndi zina zambiri. Pankhani ya oyeretsa mpweya, a...
Werengani zambiri