(1) Ignition thiab clearance Thaum tsis muaj dej ntws, ntws, txoj kev, thiab lub sij hawm tso cai, siv ib tug igniter rau lub teeb downwind hluav taws, tua hluav taws thiab hluav taws nyob rau hauv qhov hluav taws kub kom tsis txhob muaj hluav taws, thiab khawb tawm cov av ntub nrog ob txhais tes, ua pa. ze rau cov av ntub los yog npog koj lub qhov ntswg nrog phuam ntub rau ...
Nyeem ntxiv