At the Turn of the 20^th Century, About 50% of US

question 26

Multiple Choice

At the turn of the 20^th century, about 50% of US workers worked in either the agricultural or the domestic service spheres. Approximately 100 years later that percentage had decreased to which of the following figures?

• A) 4%
• B) 10%
• C) 16%
• D) 22%
• E) 35%

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Definitions:

Dolly Legs

Trailer landing gear system; consists of gear-cranked, retractable legs reinforced by fixed gusset arms.

Lift Axle

A dead axle that can be raised and lowered using air pressure.

Hinged Trailer Door

a door mechanism on trailers that is attached by hinges, allowing it to swing open and closed for access or loading.

Curtain-Sided

Describes a trailer or truck with flexible sides (curtains) that can be opened for easy loading and unloading, while offering protection during transit.