Portuguese translation: cavalgamento do moitão do gancho
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English to Portuguese translations [PRO] Tech/Engineering - Other
English term or phrase:two blocking
The load line can break if the hook block contacts the end of the boom. This is called "two blocking".
Two blocking, for example, can be caused by hoisting the hook into the end of the boom or lowering the boom without paying out load line.
Two blocking can pull jibs and lattice booms over backwards or cause structural damage at boom or jib points.