Figure 9-16.-Gravel pack.3. When working in the mast, safetybelts shouldbe worn, and tools should be securely attached to thebelts by lines.4. Before ascending, safetyshoes should becleaned of all mud and footholds inspected for grease.Wearingofsafetyshoeswith reinforced tops will protecttoes from being crushed when working with drillingtools.5. Sheaveguards should remain over all movinggears and chain drives.6. Personnel should not wear loose or flappingclothes.Figure 9-17.-Capped well.7. Thedrillingtable, or platform, should be keptfree of loose tools, both to prevent accidents topersonnel and loss of tools down the drilled hole. Theplatform should also be kept clean and dry aspossible.8. Donot attempt to lube or adjust moving gears.9. When hoisting loads, donot place yourselfbetween any moving part and stationary object.10. Stayclear of suspended loads.11. Repairorreplace all parts that need repair asneeded.9-17
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