Sec. 256.18. Cutting, welding and caulking

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The use of cutting and welding apparatus shall not be permitted on equipment used for the storage of gas or apparatus accessory thereto until permission has been obtained from the operating engineer directly in charge of the work who shall verify fully if all the necessary precautions against fire and explosion have been taken. A pressure tank shall not be caulked with air tools until the pressure within is less than five pounds.

                    
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