The props master talks about making
mock-ups of props for actors to use in
rehearsal. Why is this important? How
can it relate to how YOU rehearse scenes
in class?

Why is the continuous presence of police officers and vigilant members of the public an ineffective crime prevention strategy? *criminology*

The valve seat performs two functions: it provides a seal for the valve in the combustion chamber, and it provides a cool surface to carry heat away from the valve. most valves use a seating angle.

Spray-applied coatings must be applied according to transfer efficiency standards using what technologies? a) high volume, low pressure (hvlp) guns b) electrostatic guns c) airless guns d) all of the above