Examlex
Which of the following is a shared ancestral trait that platypuses share with other mammals?
Angle Iron Brackets
Metal brackets made of angle iron, a piece of iron or steel formed with a 90-degree bend, used to support or strengthen structures.
5th Wheel
A coupling device used primarily in semi-trucks to attach a trailer, characterized by a large pivoting plate.
Upper Coupler Assembly
The component at the front of a semi-trailer that hooks onto the hitch of a truck tractor, providing a connection point.
SAE Grade 8
A classification for high-strength bolts according to the Society of Automotive Engineers, indicating a high level of tensile strength.
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