Casting and welding are new terms for conventional

machining.

Manufacturing is an activity:

Grinding could be done by:

Very hard materials can be

machined by …………… tools in non-conventional processes.

Non-conventional machining does

not need hard cutting tools because ........

The term Manufacturing:

With conventional

machining processes the tool material hardness should be greater than the workpiece

hardness.

Forming is a means for:

In a conventional machining process, the productivity is

considered as an input and the machine is considered as an output.

Zirconium carbide is an extremely

……………. refractory ceramic material.