3D-MC

Surveying apparatus and instruments, namely, opto-electric distance and angle measuring apparatus, electric distance meter, data collector, data calculator, reflector and replacement parts thereof, laser level, rotating laser level, auto level, tilting level, tripod, computers, computer programs for compiling land survey data and analyzing the size of real estate for construction preparation, computer software which controls and operates construction machines, namely, excavators, bulldozers, crane trucks based on geographical data, three dimensional positioning and grade information read by surveying machines