A size of anthracite that will pass through a 13/16-inch (20.6-millimeter) round mesh but not through a 9/l6-inch (14.3-millimeter) round mesh.
Related terms:
A size of anthracite that will pass through a 13/16-inch (20.6-millimeter) round mesh but not through a 9/l6-inch (14.3-millimeter) round mesh.
Related terms: