(İnşaat) Su düzeci: Bir yüzeyin yatay olup olmadığını belirleyen araç. Ortadaki hava baloncuğu tam merkeze geldiğinde seviyenin yatay olduğunu gösterir
A tool employing a chamber with a colored liquid (usually alcohol, hence spirit) and an air bubble, used to determine a horizontal or vertical reference line
(İnşaat) A spirit level or bubble level is an instrument designed to indicate whether a surface is level or plumb. Different types of spirit levels are used by carpenters, stone masons, bricklayers, other building trades workers, surveyors, millwrights and other metalworkers
A spirit level is a device for testing to see if a surface is level. It consists of a plastic, wood, or metal frame containing a glass tube of liquid with an air bubble in it