Answer:
An antonym for the term is depressed
Explanation:
since you know the meaning of depressed you know ecstatic means the opposite
Because it helps inventors protect their designs from getting copied or stolen
Answer:
The Sheave Wheel and The Hoist Cable
The Sheave Wheel is basically a pulley wheel that sits above the mine shaft. The Hoist cable passes over the wheel and then down the shaft of the mine. The Sheave Wheel also helps reduce the sliding friction of the mine cable.
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