Cov excavators feem ntau muab faib ua ob hom: sab hauv combustion engine-driven excavators thiab hluav taws xob-tsav excavators. Ntawm lawv, hluav taws xob excavators feem ntau yog siv nyob rau hauv toj siab hypoxia, underground mines thiab lwm qhov chaw flammable thiab tawg.
Raws li qhov ntau thiab tsawg, excavators yuav muab faib ua loj excavators, nruab nrab excavators thiab me me excavators.
Raws li kev taug kev sib txawv, excavators tuaj yeem muab faib ua crawler excavators thiab log excavators.
Raws li cov qauv sib txawv, excavators tuaj yeem muab faib ua hydraulic excavators thiab mechanical excavators. Cov tshuab excavators feem ntau yog siv hauv qee qhov mines loj.
Raws li lub hom phiaj, excavators tuaj yeem muab faib ua ntau pawg xws li excavators dav dav, mining excavators, marine excavators, thiab tshwj xeeb excavators.
Raws li lub thoob, excavators yuav muab faib ua pem hauv ntej duav, backhoe, dragline thiab grab duav. Pem hauv ntej shovels feem ntau yog siv los khawb cov ntaub ntawv saum npoo av, thiab backhoes feem ntau yog siv los khawb cov ntaub ntawv hauv qab no.
