Certain pieces come to mind from my apprentice work as a boy. Alongside saw horses are sack trucks and tool boxes of different types and sizes. Saw horses and stools were temporary work supports. I like to have two heights and two or three sets. Taller ones for tables or stacking materials on are accompanied by a flat bard of 3/4” plywood or some planks.
My saw horses are made from some 1 1/2” stock, but almost any wood from 1 1/4” to 2” thick and 3” to 4” wide will work. More to follow!