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Core Written — Operations & Safe Practices

Authored & cited — pending expert review. Every question is original and cited to OSHA 1926 Subpart CC and ASME B30.5, but is awaiting certified-trainer (SME) sign-off. Crane Academy is not affiliated with or endorsed by NCCCO.
Question 1 of 20Operations & Safe Practices

What is 'two-blocking'?