9
Measuring, signaling and checking (supervision) apparatus and instruments
37
Building construction, namely leakage location in buildings, particularly flat roofs, brick works and thermal insulations; on high-level tanks, swimming pools, disposal sites, in water-conducting ducts, long-distance heating ducts, by means of visual leakage location, electronic leakage location, flue gas leakage location, tracer gas leakage location, infrared thermography, flat roof insulation layer drying; determination of skeleton layers and concealed building construction elements particularly by infrared measurement
42
Scientific and technological services, namely studies on process optimization, studies on product development, inspections to support plant safety and reliability, all of the aforementioned services in particular by using infrared thermography, infrared measurement for draft studies and air change studies, infrared measurement for industrial location particularly of electrical conductors, circuits, relative to the influence thereof on machines as well as for long-term process studies; quality control on the building site