A team of little animals and a team of big animals decided to play football. During the first half of the game, the big animals were winning. But during the second half,a centipede scored so many touchdowns that the little animals won the game. When the game was over, the chipmunk asked the centipede, "Where were you during the first half?" He replied "Putting on my shoes".
Six: two to screw in the bulb and four to testify that it was lit from the moment they began screwing.
None; the bulb will change itself when it is ready.