A person of industry makes a lot of things by hand, so everything they make is artificial, and also means it's man made.

This is a jukugo word, which usually means on'yomi readings from the kanji. Since 人 has two on'yomi readings, here's a mnemonic to help you remember which one to use:

Remember this by thinking about how jeans (じん) are artificial. You've never seen jeans growing on trees, right? Nope, jeans are 100% man made.