Photodetectors that have both the transmitter and the receiver units mounted in the same housing depend on a(n) ____________________ for operation.
Fill in the blank(s) with the appropriate word(s).
reflector
You might also like to view...
____ is the inclusion of action steps to minimize the damage associated with the disaster on the operations of the organization.
A. Preparation B. War gaming C. Crisis management D. Mitigation of impact
When planning a cast-in-place open concrete stairway, treads and risers are laid out on _____.
a. the subfloor b. full-size templates c. temporary panels d. graph paper
Why is it important to have accurate baselines before a project starts and what establishes the baselines?
What will be an ideal response?
When laying out a sheet metal duct section, various tools are used to mark the metal prior to cutting. __________ are used to scratch straight lines on the metal. __________ are used to scratch arced lines and circles on the metal. __________ can be used to scratch freeform and straight lines on the metal surface.
What will be an ideal response?