: Moisture meter, digital thermo/hygrometer, compass, illuminated surface microscope (to check the surface and paint layer), stainless steel cutter knife, pH-indicator paper (to check the acidity of concrete walls and floors), wedge (for checking reverse-side tolerance and thickness of glass), telescopic inspection mirror and lamp (for visual control), waterproof marker and MasterPaintPlate (multifunctional instrument to measure wet film thickness, cover of edges, thickness of glass, as well as providing an indication of the viscosity and adhesion of the coating).