: A "point" breaks the soil, a "shear" cuts the bottom, and a curved "moldboard" turns the soil over into a furrow.
In farming, a is a machine designed to break up and turn over soil, burying weeds and crop residue while bringing fresh nutrients to the surface. plough
: To function properly, the plow must be "shined up" (polished metal), and depth wheels or coulters must be adjusted for consistent soil depth. : A "point" breaks the soil, a "shear"