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We've been using amalgam for 150 year, and it's probably been studied to death.? While no where near the same, it's kind of like table salt- the ingredients will kill you apart, but are fine happily

Hi: I have a friend that is a dentist. He says the Mercury scare from filling is totally overblown. How big is your "small"?? Carl.

"we were given orders by administration that we had to dispose of everything in the hospital containing metallic mercury" Did no one recognize that the mercury thermometer and barometer were necessary

I have a neighbor/customer who designs and imports high-end, custom cabinet hardware. Most of it comes from China and has done so for twenty years. He is emphatic that he has never worked with

I followed the link to askthedentist.com and found this quote to be very amusing: The World Health Organization (WHO) claims that the small amount of mercury from dental amalgam doesn’t result in

Hi Gang: Bosch was a ISO2000 certified ( or something like that ) to please our customers. So there was a regulation. I was told having a caliper in my desk that wasn't certified would be a problem.

The time interval can be set by the company in their quality "manual". Quality standards are set against what you do. If a customer wants a shorter interval, then it is by negotiation. Say what you do

I understand the need for regular calibration of equipment (and maybe safety checks) but there's no law, or regulation, that says once, or twice a year is the correct time interval. I believe it is up

The nuclear power plant where I worked had and NBS traceable calibration lab. Every tool, we used had to go though the cal lab, regardless if they were analog or digital. Meters, calipers, crimpers,

Hi Gang: I was a tool designer in an auto parts factory. The designers had vernier calipers to check parts, not production parts, just parts we were designing fixtures for. Twice a year these calipers

I ran into a similar problem when verifying the calibration of an air ionization chamber used for measuring radiation exposures in patients. Because the volume of air in the chamber changes with

Tin also turns into a grey dust below about 13°C. Fortunately it does this quite slowly, and with small amounts of various alloying metals the transition temperature goes much lower, but I do wonder

That you find in the drawer when you're feeling really ill, and the battery is flat. Not only flat, but a peculiar size you can't buy in the local shops, so it will take days to arrive. And anyway

I recognize that PEWTER os not ZAMAK I was suggesting an alternate alloy that casts well to make replacement frames for the Best Friend of Charleston. Lionel outsourceing manufacturing to PRC is the

I think things have got better in that there are more positive contributions. We may go off topic occasionally, but the contributors are more positive. 2d's worth. James [email protected]> wrote:

I like Groups.io better. It is more stable - I would always be willing to contribute to the cost to keep the unimat forum here. I hope that unimat users worldwide will continue participating in this

I think Amalgam fillings are 50% mercury by weight, and they are stilled used to repair cavities in your teeth. https://askthedentist.com/mercury-fillings-safe/ Composite resin fillings may not be

Thanks Richard, that worked! Yes, it seems not a new thing at all... It was in the early 70's we were playing 'pong' with the stuff...

I first came across the use of 'quick' in old UK land and enclosure documents (1700's), mention was made of creating 'quick hedges', that is hedges that are alive rather than (previously) a pile of

I was amazed to see an article about lighthouse lamps on TV a while ago. They showed a massive bath of mercury that the entire lamp system of a lighthouse floated on. It was used as a very low