Tsim los rau cov chaw tso hlau lag luam, cov rooj npaj khoom, thiab cov tsheb laij teb tubular, peb cov log tsheb kauj vab uas hnyav 31-50 kg (68-110 lbs) muaj cov xov hlau uas muab kev txhim kho ruaj khov. Thaum muaj peev xwm hnyav dua no, cov kav hlau txheem feem ntau khoov lossis tawg thaum lub log tsoo cov teeb meem. Los ntawm kev tsim cov no hauv qhov loj me ntawm 2 nti thiab siab dua, peb lav qhov kev hloov pauv du ntawm qhov chaw, txo qhov kev ntxhov siab sai sai ntawm cov xov hlau mounting. Txaus siab rau qhov ruaj ntseg, tsis yooj yim khoov rau koj qhov chaw ceev ceev. Tsis pom qhov koj xav tau? Tiv tauj peb kom tau kev taw qhia.
