Raws li seb puas muaj lub zog hluav taws xob, lawv tau muab faib ua: cov twj tua hluav taws tsis muaj hluav taws xob (xws li cov twj tso kua mis),hluav taws kub twj tso kua mis(hu ua twj tso kua mis).

1. Cov twj tua hluav taws tsis muaj zog tuaj yeem raug cais raws li cov cai hauv qab no

1. Raws li lub sijhawm siv, nws tau muab faib ua: lub tsheb tua hluav taws, cov twj tua hluav taws hauv hiav txwv, cov twj siv hluav taws xob engineering, thiab lwm yam twj tua hluav taws.

2. Raws li qhov ntsuas qhov hluav taws xob, nws tau muab faib ua: lub twj tso kua hluav taws xob qis, lub twj tso kua hluav taws xob nruab nrab, lub twj tso kua hluav taws kub nruab nrab, lub twj tso kua hluav taws kub siab, thiab lub twj tso kua hluav taws kub siab.

3. Muab faib raws li kev siv: dej twj tso kua mis,Stabilized hluav taws twj tso kua mis, muab cov twj tso kua mis ua npuas dej.

4. Raws li cov yam ntxwv pabcuam, lawv tau muab faib ua: cov twj tua hluav taws zoo tib yam, cov twj tua hluav taws tob tob, thiab cov twj tua hluav taws submersible.

ob,hluav taws kub twj tso kua misNws tuaj yeem raug cais raws li cov cai hauv qab no:

1. Raws li daim ntawv ntawm lub hwj chim, nws muab faib ua:Diesel cav hluav taws twj tso kua mis unit, hluav taws xob lub cev muaj zog hluav taws kub twj tso kua mis, roj turbine hluav taws twj tso kua mis teeb, roj av cav hluav taws twj tso kua mis teeb.

2. Muab faib raws li kev siv: dej muab hluav taws kub twj tso kua mis,Stabilized hluav taws kub twj tso kua mis, Hand-held mobile hluav taws twj tso kua mis teeb (3) muab faib ua: zoo tib yam hluav taws kub twj tso kua mis teeb, sib sib zog nqus hluav taws twj tso kua mis teeb, thiab submersible hluav taws twj tso kua mis teeb raws li lub auxiliary yam ntxwv ntawm lub twj tso kua mis teeb.