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encourage safer work practices
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can increase productivity up to 28%
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are 3-4 times easier to move
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utilize a cold rolled steel or structural aluminum with a low weight-per-foot ratio
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reduce dead weight: operator can concentrate on moving the load instead of the
bridge
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several capacities available
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don't have mill scale
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feature an enclosed track design which keeps out dust and contaminates for a cleaner rolling
surface
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have lower rolling resistance
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extend the life of trolley and end truck wheels
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are often easier to install, thus lowering installation costs
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exert less force on supporting structures, providing solutions to a larger number of
applications
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are available in longer spans
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require fewer support centers
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offer better headroom
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permit a larger percent of the workforce to safely operate them