"What does 'maybe' mean?"
"How does a doorknob work?"
"What happens when we turn on a faucet?"
"Why does the toilet make a sound of running water for a minute after we flush it?"
"What does 'because' mean?"
"What does the agitator in the clothes washer do?"
"What does the little switch inside the dryer door do?"
"How does the hot water heater work?"
Does anyone want to buy him this for Christmas? And maybe a dictionary?
(More memeage later, when I get enough of a break from all these language and engineering questions to write more than a paragraph.)