Question

_ are used for cutting tools and crushing machines

Answer 1

Answer:

Cutting tool materials are materials that are used to make cutting tools which are used in machining (drill bits, tool bits, milling cutters, etc.)

Answer 2

Cutting tool materials are used for cutting tools and crushing machines:

• Cutting tool materials are the raw materials used to create cutting tools for machining (drill bits, tool bits, milling cutters, etc.).
• Cutting tool materials must be harder than the workpiece material, even when the process is carried out at high temperatures.

Hence, answer to the given question is as follow.