Purging the air out of the space with inert gas such as nitrogen or CO2.Ventilation's to keep the fuel vapours below the LEL.Eliminating sources of ignition such as friction,Sparks,open flames & sparks from exhaust or electrical equipment.Bonding & grounding vessels to reduce static electricity.Shutting of torch valves at a point out side the confined space will be left unattended for any length of time,such as a lunch brake.Torches & hoses will be removed from the confined space when left over night.Take no smoking policy around the confined space.Storing all combustible & flammable material out side the confined space until ready for use.Leaving gas cylinder & welding machine outside.
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