Not really, though it is possible it might go through. It would fit the definition of irregular shape. It would mess up the mail handling machines and would probably rip the envelope and they would get lost. A padded envelope or small box would be better.
Answer
Put it in a sturdy envelope or cardboard envelope--or wrap it with a piece of cardboard. Mark the envelope to "hand stamp only." You might wrap the envelope with clear packing tape, too.
yes,because it is made out of metal
Yes, if the washer is made from ferromagnetic metal (iron, steel).
the mass of a single washer is 25grams
Since a metal washer is neutral, the positive rod will make all the negatively charged electrons bunch up towards the front of the washer and nearer to the rod whereas the protons in the washer would repel from the rod and move to the back of the washer.
Since a metal washer is neutral, the positive rod will make all the negatively charged electrons bunch up towards the front of the washer and nearer to the rod whereas the protons in the washer would repel from the rod and move to the back of the washer.
Since a metal washer is neutral, the positive rod will make all the negatively charged electrons bunch up towards the front of the washer and nearer to the rod whereas the protons in the washer would repel from the rod and move to the back of the washer.
It is usually referring to a flat metal ring that is used in conjunction with a nut and bolt. It can be used to distribute force to avoid the bolt pulling through the metal or wood. It also can be used in spacing and as a crude friction easing device.
tin foil....sure but regular metal??? i don't think so not in Michigan anyhow. if you have something that's bitting through metal you might want to call pest control to look into the matter for you * Mice have been known to chew through a metal pipe to get to water, it takes a lot of time, but it is possible.
A simple metal washer--to increase the surface tension area of the screw or lag head. A rubber or plastic washer is usually used to help seal connections from leakage.
rigid
Yes it will with small nozzle.
The strings in a regular slinky is metal.