PSA - Guess what happens when you smoke in the workshop?
- Thread starter ear3
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Or, in case he has a similar problem with nicotine addiction that I have, switch to vaping (which, while still delivering nicotine so at least I'm not that inclined to try some power tools on obnoxious people that get on my nerves repeatedly, isn't as bad).Bert Vanderveen said:
Pro tip: in case you still crave cigarettes when vaping... try a fluid with higher nicotine content - worked for everyone I know that did the switch.
I had a mate with the clever idea to use a domestic vac to draw out all those nasty petrol fumes from a motorcycle's petrol tank he was fed to respray. The consequences were spectacularly explosive: vac in multiple pieces, & Marty bruised & singed all over!
southrider
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When some smoke in the workshop they eat a lot of junk food and forget what they are doing...........
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Bob D. said:what I want to know is did the CT work after the 'test'
Yes, it did and that is the last time I lend anyone any of my tools !
Aluminium dust is highly combustable. The laws here in the UK prevent me posting anything like a recipe but in my youth we used to make all sorts of home made explosives from stuff like that. I blame it on my chemistry master who would often liven things up with an explosion or two.
Peter
ear3
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My first encounter with the police as a youth was after I started trying out some recipies on my poor neighbors' mailboxes.
Peter Parfitt said:Bob D. said:what I want to know is did the CT work after the 'test'
Yes, it did and that is the last time I lend anyone any of my tools !
Aluminium dust is highly combustable. The laws here in the UK prevent me posting anything like a recipe but in my youth we used to make all sorts of home made explosives from stuff like that. I blame it on my chemistry master who would often liven things up with an explosion or two.
Peter
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"Aluminum dust is highly combustible"
Yes, have to be careful when using a grinder, either hand held or bench top, on aluminum to use the correct type wheel and not mixing metals that a wheel is used for grinding on, i.e. don't grind both ferrous metals and aluminum on the same wheel.
Some interesting points brought up in this interpretation letter from OSHA in 2009 about aluminum and 'hot work'.
Here's one, read the full article for more.
Grinding aluminum also can create housekeeping issues. An aluminothermic reaction can occur in situations where there is an accumulation of powder or dust from the grinding operation. A shipyard environment typically contains metal oxide, in the form of rust, and a heat source, in the form of welding, cutting, brazing, or grinding. If enough aluminum powder is introduced, there is a potential for a significant aluminothermic reaction. In an Australian Department of Energy "lessons learned" article, "Fireball from Aluminum Grinding Dust," an individual received first- and second-degree bums on his hands and head from a fireball that developed while grinding a piece of angle iron a few days after another individual ground the heads off approximately twelve aluminum pop rivets. This type of accident may be prevented by employing good housekeeping habits in addition to using material-specific tools.
https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=27413
Yes, have to be careful when using a grinder, either hand held or bench top, on aluminum to use the correct type wheel and not mixing metals that a wheel is used for grinding on, i.e. don't grind both ferrous metals and aluminum on the same wheel.
Some interesting points brought up in this interpretation letter from OSHA in 2009 about aluminum and 'hot work'.
Here's one, read the full article for more.
Grinding aluminum also can create housekeeping issues. An aluminothermic reaction can occur in situations where there is an accumulation of powder or dust from the grinding operation. A shipyard environment typically contains metal oxide, in the form of rust, and a heat source, in the form of welding, cutting, brazing, or grinding. If enough aluminum powder is introduced, there is a potential for a significant aluminothermic reaction. In an Australian Department of Energy "lessons learned" article, "Fireball from Aluminum Grinding Dust," an individual received first- and second-degree bums on his hands and head from a fireball that developed while grinding a piece of angle iron a few days after another individual ground the heads off approximately twelve aluminum pop rivets. This type of accident may be prevented by employing good housekeeping habits in addition to using material-specific tools.
https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=27413
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It is important to realise that this is aluminium dust that is the risk factor. When sawing aluminium there is very little dust and 99.9% of what comes off is chippings.
Peter
Peter
