Lus piav qhia luv luv:

Txoj haujlwm ua haujlwm:
Nws yog ib qho khoom siv hluav taws xob tua hluav taws.Thaum nws txuas nrog lub hose, nws yuav txau ntom ntom thiab cov dej puv puv, uas muaj qhov zoo ntawm qhov ntev thiab cov dej ntim loj.
Loj: 1 1/2 nti, 2 nti, 2 1/2 nti
Yuav siv li cas:
1. Qhib lub qhov rooj tua hluav taws, tshem lub hose thiab phom dej.
2.Kuaj seb lub hose thiab connector puas zoo.Yog hais tias nws puas, nws yog txwv tsis pub siv.
3. Tso lub hose nyob rau hauv cov kev taw qhia ntawm qhov hluav taws kub scene, saib xyuas kom tsis txhob twisting.
4. Txuas lub hose mus rau lub qhov hluav taws kub hydrant, muab cov buckle txuas mus rau hauv lub chute kom raug, thiab ceev nws clockwise.
5.Tom qab kev sib txuas ua tiav, tsawg kawg 2 tus neeg ua haujlwm tuav cov phom dej kom nruj thiab tsom mus rau qhov chaw dej (nws yog nruj me ntsis txwv tsis pub cov neeg raug mob los ntawm kev kub siab), thiab lwm tus neeg khiav dej num maj mam qhib lub qhov hluav taws kub hydrant valve rau qhov siab tshaj plaws thiab hluav taws kub ntawm lub hauv paus ntawm qhov hluav taws kub kom tua.Kom txog rau thaum hluav taws yog tag nrho extinguished.