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Not much of a vacuum that way, plus combustion releases moisture and the flame goes out at about 16% oxygen. Think about a vacuum pump. I have one for vacuum bagging that will pull about 22 inches of...

The ultimate extended storage would be in container capable of holding a vacuum since it is really oxygen in the presence of humidity that is the problem. A good vacuum = 0% humidity and almost no...

I would assume the other 30% is (distilled because it is used for sterilization purposes) water since it mixes readily with alcohol and stays in suspension. It is exactly for that characteristic that...

I dry my razor with tissue. Then spray all the steel with 70% isopropyl alcohol (mixes readily with any remaining water and evaporates fast. Then dry again. Let air dry while I get dressed, make the...