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Questions and Answers
Existing statistics do not reflect the importance of ______ as work factors causing injury.
pushing and pulling
The complex nature of ______ motion during pushing and pulling makes it difficult to develop numerical standards.
body
Many factors affect the amount of ______ that you exert in a horizontal push and pull.
force
Tables 3.1 and 3.2 contain the upper ______ limits for horizontal and vertical pushing and pulling.
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It is important to be aware that the forces in the tables are not the same as the ______ of objects being pushed and pulled.
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Only trained personnel using special ______ can measure the forces exerted by a worker.
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The values in Table 1 show the upper ______ of forces for horizontal pushing and pulling.
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These limits should not be exceeded in ______ situations.
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When lifting a load, use a ______________ grasp for loads with handles.
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When lifting a load, use blocks under loads without handles to make lifting them up ______________ and safer.
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When putting a load down, use the ______________ arm straight.
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Place the ______________ foot flat beside the load in the direction of travel.
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Use a ______________ grasp for loads without handles.
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When lifting a load, use slings or hooks to improve grasp when loads do not have ______________.
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When lifting a load, keep the body in an upward and ______________ direction.
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Place the ______________ in the direction of travel.
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It is better and safer if pushing and pulling tasks require lower ______ forces.
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When pushing or pulling an object, the hands must be above the ______ or below the waist level.
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Supporting the body (or feet) against a firm structure allows for ______ forces up to 675N or about 165 lbf or 75 kgf.
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Table 3.1 presents the Recommended Upper ______ Limits for Horizontal Pushing and Pulling.
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The Curriculum and Instructional Materials and Development Committee is part of the ______ of Engineering Technology.
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Wearing ______ clothing is recommended for certain tasks.
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The Office of the College Dean is located at ______ St., City of Talisay, Negros Occidental.
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Table 3.2 presents the Recommended Upper ______ Limits for Vertical Pushing and Pulling.
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Study Notes
Pushing and Pulling Safety
- It is safer to perform pushing and pulling tasks that require lower forces, especially when the task involves pushing or pulling an object above shoulder or below waist level.
- Higher forces (up to 675N or about 165 lbf or 75 kgf) can be developed when supporting the body or feet against a firm structure.
Recommended Upper Force Limits
- Tables 3.1 and 3.2 provide the recommended upper force limits for horizontal and vertical pushing and pulling.
Lifting a Compact Load
- To lift a compact load safely:
- Place the leading foot flat beside the load in the direction of travel.
- Place the rear foot in the direction of travel.
- Use a power grasp for loads with handles.
- Use slings or hooks to improve grasp when loads do not have handles.
- Use blocks under loads without handles to make lifting them up easier and safer.
- Use a ledge grasp for loads without handles, with the rear arm straight, to get the load moving in an upward and forward direction.
Putting a Load Down
- When putting a load down, use the other arm to guide the load, keeping the body straight, and slowly lower the load to the floor.
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Description
Learn about the recommended force limits for pushing and pulling tasks, especially when working at awkward heights. Understand how to support your body to develop maximum forces safely.
