What is a knuckleboom crane and how does it differ from a conventional straight-boom service crane?
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A
A knuckleboom crane is larger than a straight-boom crane
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B
A knuckleboom crane has a folding articulated boom joint that allows more compact transport and versatile positioning
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C
A knuckleboom crane uses wire rope as the primary load member
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D
A knuckleboom crane cannot be mounted on service trucks