Chaw tsim tshuaj paus qhov chaw thaiv hlua rau txuas tshiab lub zog roj teeb tiv thaiv board cable sib dhos rau lub zog tshiab roj teeb tiv thaiv phaj

Cov hlua hluav taws xob no yog tsim los rau lub zog tshiab - cov roj teeb tiv thaiv lub rooj tsavxwm. Nws ua kom ruaj khov hluav taws xob sib txuas, muaj cov rwb thaiv tsev zoo, thiab tseem ceeb heev rau kev nyab xeeb thiab ua haujlwm tau zoo ntawm roj teeb.