| 摘要 |
A crib platform device, kit and associated method of using for building a temporary buttress underneath an overhanging obstruction. The crib employs a two platforms, and a lock bar for reversibly locking together the platforms. Alternatively, the platforms may be mated by connecting blocks of one platform unit to beams of the other platform, and locked together with a lock beam traversing through the mated blocks and beams of the platforms. The unassembled components of the device form a kit. The method of using comprises the steps of adjusting, aligning, carrying, crawling, dropping, grabbing, mating, obtaining, positioning, placing, pulling, putting, reposing, sliding, taking, and wearing.
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