Why when working on something like satellites, space rovers etc does everyone have to wear gear as if working with diseased patients?

Question

Why when working on something like satellites, space rovers etc does everyone have to wear gear as if working with diseased patients?

In: Engineering

Answer 1

They work in clean room environments because that’s how sensitive the parts are. The electronics can be fouled from things like fingernails or skin oils.

There are a lot of metals that can experience corrosion from a fingerprint. We don’t want something important to fall apart in space where it’s that much harder to fix it.