B

SURVEYING INSTRUMENTS, ENGINEERS' INSTRUMENTS AND PRECISION OPTICAL INSTRUMENTS-NAMELY, ENGINEERS' TRANSITS, ENGINEERS' AUTOMATIC LEVELS, BUILDERS' TRANSIT LEVELS, BUILDERS' AND ENGINEERS' DUMPY LEVELS, BUILDERS' AND ENGINEERS' AUTOMATIC LEVELS, LEVELING RODS, THEODOLITES, CONSTRUCTION LASERS FOR SEWER WORK, SURVEYING LASERS, PLUMB BOBS, HAND LEVELS, TRIPODS, ALIGNMENT TELESCOPES, PRECISION LEVEL VIAL ASSEMBLISE, PRECISION DIALS AND VERNIERS