Eli5: On a production line, how do they make a car, plane or anything else be identical from one another without differences?

Question

Eli5: On a production line, how do they make a car, plane or anything else be identical from one another without differences?

In: 6

Answer 1

Repetition and specialization.

Instead of having a team of 20 dudes building a plane from start to finish, two guys will rapidly and previcely do the first approximately ten percent, then another team will do a little work, then another team, and another, and another, with each team specializing in getting really really good at only the part of the process they’re involved in