Scientists believe that counting and writing developed during the Industrial Revolution
Indicate whether the statement is true or false
F
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What are the advantages of clay in a soil? What are the disadvantages?
What will be an ideal response?
Preparing a house for a future solar array is not complicated and can simplify the eventual installation if done properly. Where there is a south or near-south facing roof, it should be designed to have a minimum of ____ square feet of unshaded area with no mechanical penetrations such as plumbing vents, wires, or other obstructions.
A. 100 B. 200 C. 300 D. 400
The ____________________, also known as_____________________, are used for fabrication, quality control, and troubleshooting of the wiring of electrical circuits and systems. A highway wiring diagram is a simplified or condensed representation of a point-to-point interconnecting wiring diagram, and can be used when it becomes difficult to draw individual connection lines because of diagram complexity or when it is not necessary to show all of the wires between terminal blocks.
Fill in the blank(s) with the appropriate word(s).
Vacuum pumps are intended to be used on systems that are at or below atmospheric pressure. The technician should avoid using them on systems that are at pressures over __________ psig.
A. 0 B. 196 C. 243 D. 270