In the belt drive mechanism, what happens when the belt is crossed instead of open?

Is it ok to use a does red wine clean the inside of a computer true or false

In which phase does software coding and testing happen in the spiral model? the spiral model does not have a separate testing phase. both, software coding and testing occurs during the phase.

On early television stations, what typically filled the screen from around 11pm until 6am? test dummies test patterns tests testing colors