1. In volute casing the water velocity gradually . . . . . . . . and pressure energy of water correspondingly . . . . . . . .
2. For AM 50 continuous miner application the rock should posses compressive strength of about . . . . . . . .
3. Safety catches located . . . . . . . . the running position of the cage.
4. Flitting of the gathering arm loader is possible by . . . . . . . . chain.
5. Keps are provided and used at the . . . . . . . .
6. The triangular plate of cage is attached to detaching hook by means of . . . . . . . .
7. The coal yield per blast by using model 625 Auger drill.
8. No special fittings or attachments is attached in .the method of rope jointing.
9. The cross section of the steel guides are usually . . . . . . . .
10. In order to increase the stability of a mine car the limiting ratio of the length of the body to its wheel axle base generally remains as . . . . . . . .
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