Whenever you design something, it is important to include equality and quantity to the design if you want it to look right. Imagine designing a building; you must proportion the design correctly and be sure that the symmetry is correct or the building may appear lop-sided, out of shape, or could potentially tear down over a period of time. The same applies to art.
The harp is an instrument to play, which is often used in concerts and orchestras for background music. They were first found as arrows in Egypt (3000 BC), but were developed into a musical instrument.
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Answer:
A stairway, ladder, ramp or other safe means of egress shall be located in trench excavations that are 4 feet.
The correct answer would be D.