9 Material measurement and testing systems, namely, electromechanical testing systems consisting primarily of testers for tensile, compression, fatigue, reverse stress, shear, flexure, peel, tear, cyclic, torsion, and bend testing; servohydraulic fatigue and static hydraulic testing systems consisting primarily of testers for tensile, compression, fatigue, fracture, shear, and bend testing; hardness testing equipment, namely, testers for measuring resistance of materials to indentation, scratching, abrasion, or cutting; impact testing equipment, namely, servohydraulic testers for measuring impact forces and material deformation; computer software for set-up and control of material measurement and testing systems, and acquisition, storage, analysis and reporting data and results of materials testing; strain gauge transducers for measuring load and strain; optical and video extensometers for contact-free measurement of material deformation; handheld and portable mechanical testing machines for tensile, compression, torsion, reverse stress, shear, flexure, peel, tear, cyclic and bend testing; torsion testing instruments, namely, testers for measuring twisting deformation of a solid body; spring testing instruments, namely, spring testers for testing coil and leaf springs in tension and compression; asphalt testing instruments, namely, direct and indirect tension testers for measuring the physical properties of asphalt binders and mixes; microelectronic testing instruments for measuring the mechanical properties and failure mechanisms of microelectronic components and devices; structural testing systems consisting primarily of testing rigs for determining the durability and integrity of sub-assemblies and complete structures in the automotive and aerospace industries; and environmental test chambers, namely, temperature controlled enclosures for temperature simulation