Yinchi qhov tawg pov thawj hluav taws xob lub cev muaj zog rau mining winches muaj ntau yam tshwj xeeb tsim los ua kom tau raws li cov kev xav tau tshwj xeeb ntawm kev siv mining. Nws tau tsim nrog kev ntsuas kev nyab xeeb ntxiv los tiv thaiv cov xwm txheej nyuaj hauv av, suav nrog cov ntaub thaiv muaj zog thiab cov tshuab cua tshwj xeeb. Lub cev muaj zog kuj tau nruab nrog qib high-qib rwb thaiv tsev los tiv thaiv sparks uas yuav ignite methane roj. Tsis tas li ntawd, nws muaj kev ua haujlwm siab thiab kev ntseeg siab, ua kom muaj kev ua haujlwm zoo thiab ua haujlwm ntev hauv qhov chaw mining.
| hom | Yin Chiv |
| yam khoom | Peb-theem asynchronous lub cev muaj zog |
| Tus naj npawb ntawm tus ncej | 4- ncej |
| thaj chaw tsim khoom | Shandong xeev |
| Rotary qauv | squirrel tawb |

