You have to select a grinding wheel with suitable abrasive to grind glass. What is the type of abrasive you will select ?

Soluble oil

Soluble oil are made from mineral oils with emulsifying material added to make for mixing with water. Soluble oil is diluted with water to form an emulsion. The water cools whilst the oil lubricates. The extent of dilution depends upon the type of operation.

Dimensional accuracy with surface finish

Grinding with a balanced grinding wheel will make it possible to achieve the required dimensional accuracy with surface finish.

Accommodating socket head screws

Counter boring is the operation of enlarging the end of a hole using a tool called counterbore. Counter boring is done for accommodating socket head screws.

Half-round nose chisel

Half-round nose chisel are used for cutting curved grooves (oil grooves).