- Buy things, take them apart (if you are good, put them back together). Do it for your whole life. I started at 5.
- Quarterly factory visits, whether it is a new place or not. Meet people. Ask questions.
- Pack Expo. The way they orient parts, fold paper, insert product, etc. will get you 90% therre. The mechanics are so simple, yet effective, genius.
And everything is made from the 6 simple machines - Simple machine - Wikipedia