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canola oil, and as with any organic oil, it's non-gmo. however, i don't consider canola a healthy oil and would choose another type of oil instead. cottonseed oil – i consider this the worst oil of all. it's a byproduct of the cotton crop that's inundated with pesticides and chemicals because it's regulated...
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respirators work by either filtering particles from the air, chemically cleaning (purifying) the air, or supplying clean air from an outside source. particulate respirators: particulate respirators are the simplest, least expensive, and least protective of the respirator types available. these respirators...