In certain circumstances (eg Trains) it can be as there is a danger that you could be injured. However sticking your hands out of your bedroom window would not be illegal.
It is probably a form of vandalism which is illegal, but if it's your own go nuts I guess.
Run the window completely down. Spray the window seals liberally with silicon spray. Then run the window up and down a few times. (May need to assist by pushing it with your hands to get past the sticking point at first.) Then wipe off excess spray. Do this about every 3-6 months to prevent sticking.
wet you hands with water just a little bit...
It builds up callous.
it doesnt
It is illegal.
Change your wiper inserts.
Try sticking a fake cat up by the window if that doesn't work then try sticking something on the window so he/she can't see themselves.
Not that I know of.
The most common problems from sticking windows are the result of a poor paint job leaking onto the window frame. Once any paint is properly removed from the window, wax or soap can be used to rejuvenate the window's intended smooth open.
Supreme Court ruling it is not illegal to display a temp tag in the rear window! As long as it is displayed and valid! Permanent Tags are illegal to place in the rear window! If the tag is temporary then it can go in the back window
Auto window tinting is illegal in Belarus. Auto window tinting is legal everywhere else in the world, but regulations are very different from one place to another.