Fan ea khatello e mpe, eo hape e bitsoang fan ea exhaust kapa ventilation fan, ke sesebelisoa sa mochini se tlosang moea o litšila, mongobo le monko sebakeng se koetsoeng.Li-fans tsa exhaust li ka sebelisoa libakeng tse fapaneng: mapolasi a liphoofolo tse ruuoang lapeng, matlong a limela, lithupelo tsa indasteri, joalo-joalo.
Bala haholoanyane