Open-Area Excavations Typically Involve

question 14

Multiple Choice

Open-area excavations typically involve

• A)complex series of intact baulks of earth between grid squares
• B)a series of crossing baulks of earth for walking and wheelbarrows
• C)The use of a cofferdam to hold back earth or water
• D)opening large areas,with few baulks of earth
• E)all of the above

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Definitions:

Intervertebral Foramen

An opening between adjacent vertebrae through which nerves and blood vessels pass.

Coccyx

The small, triangular bone at the base of the spinal column, consisting of three to five fused vertebrae, commonly referred to as the tailbone.

Spinous Process

A bony projection off the posterior (back) of each vertebra, serving as a point for muscle and ligament attachment.

Spinous Process

A bony projection off the posterior (back) part of each vertebra, serving as a point for muscle and ligament attachment.