When do artisans level up

These are some of the different types of levels you can use to establish true vertical and true horizontal. By Bob Vila Photo: Flickr In making or repairing small rectangular objects, a square is invaluable in helping ensure the joints are. The transit level is to plane surveying what the hammer is to nailing. By Bob Vila Photo: questions The practice of plane surveying (determining the position of buildings, boundaries, and topographical features as if they were locate. A level is used to make something horizontal with the earth's surface. This handy tool can also measure vertical plumb. Learn about levels here. Advertisement By: Fix-It Club Levels are secondary household tools, not in everyone's toolbox.