Material testing instruments and machines, namely, durometers; measuring and testing machines and instruments, namely, machines used to measure and test the hardness and the resistance of metal, nonferrous metal and nonmetal to plastic, compressive and tensile deformation; microhardness analysers in the nature of microhardness testers; torsion testers; metal compression testing machines; metal hardness testing machines; plastic testing machines; metal strength testing machines; instruments fo...

COMPUTERS AND COMPUTER PROGRAMS