Cov ntawv thov ntawm RX cov khoom hauv kev lag luam chaw nres nkoj
Cov chaw nres nkoj feem ntau yog siv los thauj ntau yam khoom siv, cov khoom siv thauj khoom, cov khoom siv thauj khoom thiab tshem tawm, nrog rau cov khoom siv khaws khoom thiab khaws cov khoom siv hauv vaj, yog lub zog tseem ceeb ntawm kev ua haujlwm ntawm chaw nres nkoj, thiab kev puas tsuaj ntawm cov khoom siv no cuam tshuam ncaj qha rau cov txiaj ntsig. Cov ntawv thov khoom RX: kev thauj khoom, kev thauj khoom thiab tshem tawm, cov thoob ntim khoom, cov twj tso kua mis, cov kav dej, thiab lwm yam khoom siv hnav thiab tsim kua muag.
Cov txheej txheem thauj khoom: hoppers, silos, liners, rollers, kav dej, thiab lwm yam.
Cov tshuab thauj khoom thiab tshem tawm: reclaimers, grabs, chutes, liners, throwing shovels, thiab lwm yam.