Which of the following is a true statement about rigging hardware?
a. Shouldered eyebolts are not acceptable for lifting operations.
b. Screw-pin shackles require a cotter key to be installed in the end of the pin.
c. Serrated-jaw clamps are the only type of hardware that needs no rated load information.
d. Plate clamps are designed to lift only one plate at a time.
d. Plate clamps are designed to lift only one plate at a time.
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