Instruments for measuring length; Light conducting filaments; Measuring apparatus, namely, angle finders; Measuring apparatus, namely, bevels; Measuring apparatus, namely, laser distance meters; Measuring cups; Measuring glassware; Measuring instrumentation and apparatus, namely, digitizers; Measuring rulers; Measuring spoons; Optical fibres; Power supplies; Precision balances; Precision theodolites; Renewable battery system to provide backup power; Surveying instruments; Surveying machines a...