Section 5-8. Securing against fire and explosion in gas equipment

In order to avoid fire and explosion in gas equipment, the employer shall ensure that the following equipment is used for welding, thermal cutting, soldering and thermal spraying:
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    blowpipes fitted with check valves on all hoses connected to the handle
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    oxygen regulators fitted with flashback arrestor
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    fuel gas regulators fitted with flashback arrestor
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    gas hoses and hose couplings specially designed for the purpose
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    acetylene valves, nozzles and gas lines of material containing more than 70% copper.