• नति खनिस्थल | |
dip: ग़ोता जेबकतरा डिप | |
workings: खदान खान खनि-कार्य | |
dip workings मीनिंग इन हिंदी
dip workings उदाहरण वाक्य
उदाहरण वाक्य
- By 1890, with output averaging 1000 tons per day, the underground haulage of coal from the North dip workings by ponies had become unsustainable and a 60HP electrically driven underground rope-haulage system-the first of its kind in the world-was installed near the downcast pit bottom to haul coal up the 1 in 12 roadway from the North workings.