Exam 12: Right Angles

__________ saws are used to cut wood across its grain.

A __________ square is a triangular metal tool with several scales used for marking the cuts most often made on rafters.

Explain why it is important to know the difference between high quality and lower quality tools and why the extra money spent on quality tools is well worth the investment.

A builder's level is an instrument to measure __________.

List three safety rules for the setup and use of laser instruments.