Adding to the list
Added AC to my shop to keep summer humidity away from tools and equipment. Then discovered I liked it.
Curse words are classified as technical terms in my shop. Used liberally as needed.
After re-arranging shop and tools I labelled drawers and bins to be able to find what I need. Downside is my son and others can also find things.
Safety equipment is in abundance and used. Glasses, ear plug, gloves, face masks, lockout/tagout, etc. On client sites I keep telling folks "Everyone needs ability to count to 10 at end of the day". In non-mixed groups the number goes up to 21.
Good portable lighting. Getting old has gathered a bunch of foam pads for kneeling, etc. Paper, pens and markers are needed memory extension tools.