Math you can see. Strong entry point if you like building something you can stand back and look at.
Rank
Greenhorn
XP
0
Streak
0
80 XP to Apprentice
The ideas this trade is built on.
Lumber and Materials
Why a two by four is not two inches by four inches.
Measuring, Marking and Cutting
Finish the lesson before to unlock
Fasteners and Joinery
Finish the lesson before to unlock
Framing Fundamentals
Finish the lesson before to unlock
More units unlock once we know which trades people actually stick with. Depth is earned by data, not guessed.