Engine_2014 : Engineering Safety - 2290/2355
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| Wooden shoring, with a cross-sectional dimension of 4" X 4" (10.2 cm X 10.2 cm) should not be longer than __________ . |
| A) 8 feet (2.43 m) |
| B) 10 feet (3.048 m) |
| C) 16 feet (4.87 m) |
| D) 20 feet (6.09 m) |
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