A guy is going on a tour of a factory that produces
various latex products. At the first stop, he is
shown the machine that manufactures baby-bottle
nipples. The machine makes a loud "hiss-pop" noise.
"The hiss is the rubber being injected into the
mold," explains the guide. "The popping sound is
the needle poking a hole in the end of the nipple."
Later, the tour reaches the part of the factory
where condoms are manufactured. The machine makes a
"Hiss. Hiss. Hiss" noise. but every so often there
is a "Pop!" noise.
"Wait a minute!" says the man taking the tour. "I
understand what the 'hiss, hiss,' is, but what's
that 'pop' every so often?"
"Oh, it's just the same as in the baby-bottle nipple
machine," says the guide. "It pokes a hole in every
"Well, that can't be good for the condoms!"
"Yeah, but it's great for the baby-bottle nipple