So'zlar, atamalar va tushunchalarning ma'nosi
Havo tayyorlash – havo texnologik yoki ozodalik, sog’lomlashtirish talablariga javob beradigan sifat berish uchun ishlov (changdan, zararli gazlardan, aralashmalardan tozalash, isitish, sovitish, namlashtirish, quritish va hokazolar) berish.