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. Hiss-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 fourth condom.
- Well, that can't be good for the condoms!
- Yeah, but it's great for the baby-bottle nipple business!