Mount glass vials in level bodies or vial cases.
What does a Level Vial Setter do?
Mounts glass vials in level bodies or vial cases: Inserts vial in body or case, and holds vial in position, using specially designed holder, wood wedges, or paper. Mixes plaster with liquids to desired consistency. Levels frame or case on bench plate, or clamps it in fixture and applies plaster around enclosed vial, using handtools. Adjusts vial to center bubble and smooths plaster, using trowel. Removes excess plaster, using handtools and compressed airhose.