Excavation Units That Are Deeper Than Which Limit Must Be

question 13

Multiple Choice

Excavation units that are deeper than which limit must be shored up to ensure the safety of workers?

• A) 4 to 5 feet
• B) 7 to 8 feet
• C) 6 to 8 feet
• D) 4 to 8 feet

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Definitions:

Class Inclusion

A concept in cognitive development referring to the ability to understand that a category can include smaller subcategories.

Subclasses

Categories that fall under a larger class, often sharing many characteristics with the class but having distinctive features.

Reversible Thinking

The ability to recognize that actions or processes can be undone, leading to the original state or condition.

Centration

A cognitive limitation in early childhood, where a child focuses on one aspect of a situation or object and ignores others.