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2. Lifting Operations and Lifting Equipment Regulations 1998

   en.wikipedia.org/wiki/Lifting_Operations_and...

   It is good practice for all personnel using lifting equipment to conduct a pre-use inspection on all items. Regulation 9 of LOLER also outlines specific requirements for the formal inspection of lifting equipment at mandatory intervals. These inspections are to be performed by a competent person and the findings of the inspections recorded.

3. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium. The most familiar form is an elevator, the car

4. Differential pulley - Wikipedia

   en.wikipedia.org/wiki/Differential_pulley

   He claimed that many engineering firms conceded on the difficulty of efficiently disengaging the chain from the teeth as the pulleys turned, but his firm developed a "pitch" chain which solved the issue. Marketed as "Weston Differential Pulley Blocks with Patent Chain Guides", the pulley had good sales, namely, 3000 sets in 9 months.

5. Rigging (material handling) - Wikipedia

   en.wikipedia.org/wiki/Rigging_(material_handling)

   A team of riggers design and install the lifting or rolling equipment needed to raise, roll, slide or lift objects such as heavy machinery, structural components, building materials, or large-scale fixtures with a crane, hoist or block and tackle. Rigging comes from rig, to set up or prepare.

6. New Mexico's oil income investments now surpass personal ...

   www.aol.com/mexicos-oil-income-investments-now...

   Efforts by New Mexico to save and invest portions of a financial windfall from local oil production are paying off as state government income on investments surpasses personal income tax ...

7. Engine crane - Wikipedia

   en.wikipedia.org/wiki/Engine_crane

   The electric chain hoist, also known as the "electric hoist", is the least used type of engine crane. The operation is similar to the chain hoist in the way that chains are used to lift the engine. The electric chain hoist uses an electric motor operated by remote control to lift the engine, unlike the chain hoist where the operator has to ...