Welding smoke inhalation

When, many moons ago, I worked for the phone company the cable jointers got a tax-free daily allowance for a quart of milk because of the lead-sheathed cables they worked with
So they have strong bones. :grin big:
 
google Racal welding helmets. you will get a lot more hits.
Looks like 3M bought out Racal? When I Google Racal Welding Helmet, the Airstream 3M models come up.
 
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