if you take gum out of its container and put it on something, it won't stick unless you get it wet...
and also the candy company puts powdered sugar dust on the surface of all their chewing and bubblegum so it doesn't stick to its paper wrappers.
ANS 2 -Many glues are 'carried' in a solvent that needs to dry to set the glue, this solvent will dry only when exposed to air.
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Like any products, some are good and some are not so good. - However in glues and adhesives the human factor is also involved. People seldom use the correct adhesive in the exact recommended way. Many people assume that a single glue will do everything. This is not the case . I have a box of over 12 adhesives. I use the right glue for the purpose and I clean the parts to be glued every time. Most people do not do this and then get less than ideal results.
Stainless steel is better than other metals because they do not stain, rust, chip or their color fades. They are more expensive than other grills but lasts so much longer.
yes because it is les dense than water Some glues are buoyant, others are not. It depends on the chemical make-up and typically the use for which it is meant. There are glues designed for underwater use, and buoyancy would defeat the purpose or at least make them more difficult to use.
Better than what? Costs of extraction make NatGas a poor environmental choice, if for no other reason than extraction leakage--about 3%. NatGas is mostly methane, some 25 times more potent a greenhouse gas than CO2. Reflector ovens are the only sustainable way to go.
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The Sun is bigger than some stars and smaller than others. It is brighter than some stars and dimmer than others. Relative to the Earth it is much closer than all other stars.