The mine shaft was over 500 feet deep. The shaft of the wagon was broken.
an airshaft.
Shaft mining or shaft sinking refers to the method of excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.
grain structures
is a step in the design process that involves reassessing the design specifications, implementing modifications, and updating drawings
A shaft is a hole dug in a mine.
Cliffs Shaft Mine Museum was created in 1880.
it is in the mine thing
A shaft headgear, also known as headframe or headgear, is a structure situated at the surface of a mine shaft. It supports the hoisting equipment used to lift ore, waste, and miners in and out of the mine. The design typically includes a frame or tower that houses pulleys and other mechanical components, facilitating the movement of materials. Shaft headgears are crucial for the operational efficiency and safety of underground mining operations.
Because the shaft is spinning in the impeller, not turning it. Took mine apart. Very poor design. Piece of junk.
The mine shaft was over 500 feet deep. The shaft of the wagon was broken.
If you drop a grand piano down a mine shaft you would get a flat minor.
Strip mine Open-pit mine Shaft mine
A horizontal mine shaft is called an adit. It is a passage or tunnel that connects the surface with underground mine workings for access, ventilation, and transportation of materials.
Intake
Intake
winze