Rangefinders; Measuring instruments; Levelling instruments; Surveying instruments; Protractors; Lasers, not for medical purposes; Surveyors' levels; Rangefinders; Surveying instruments and apparatus; Optical apparatus and instruments; Meters; Theodolites; Inclinometers; Levels (instruments for determining the horizontal).
Rangefinders; Measuring instruments; Levelling instruments; Surveying instruments; Protractors; Lasers, not for medical purposes; Surveyors' levels; Rangefinders; Surveying instruments and apparatus; Optical apparatus and instruments; Meters; Theodolites; Inclinometers; Levels (instruments for determining the horizontal).