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(The visiting prof. whispers)Pssssssst Neil, your supposed to wear your *prescription lenses with the optivisor. That way your RX is magnified and there's even less chance for your eyes to be strained . * *
Pop Quiz: What makes a substance Toxic?
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Re Optivisors: D'oh!
Re: Accellerants: I don't hold with 'em. Apart from the toxicity, I find the convenience of using them is outweighed by the almost complete lack of shearing strength they have. Many is the part I have had to reglue following it coming off or loose due to the brittleness of CA joins treated with Zip Kicker.
Toxicity: Relating as previously posted to the body's inability to efficiently and safely process particular substances.
It is important to note that many chemical compounds we use vary in their toxic potentials (from mild to hideous), and that toxicity is also a product of how healthy we are; in some cases a healthy body will process some compounds more efficiently than an unhealthy one.
My rule of thumb is to not play games with any of them.
All the Best
Neil
(PS Sydney was certainly a wild old place!)