Just one. But he has to check it 100 times one for each watt.
A: It was supposed to be in place last week!
Probably one but you can't generalise.
That's check, mate."
High finance.
A: None. They have a machine that does that now.
One to unscrew it, and one to hold the ladder.
100. 1 to change the light bulb and the other 99 to complain about how the old light bulb was much better.
A: 100: One to do it and ninety-nine to say "I could've done that."
Watt?!