9 [ Scientific apparatus and instruments, namely, optical devices, namely, optical probes with cables for measuring speed; weighing devices, namely, lab scales and balances; measuring devices, namely, temperature probes, thermometers, thermo couples, torque and viscosity sensors; monitoring devices, namely, torque monitors, temperature monitors not for medical purposes, speed monitors; technical and laboratory equipment, namely, magnetic stirrers consisting of a rotating magnet or stationary electromagnets creating a rotating magnetic field to actuate stirring motion of a liquid immersed stir bar, overhead stirrers consisting of an overhead stirring motor driving a stirring element fixed to the motor via a chuck, laboratory shakers, laboratory kneaders, laboratory dispensers, laboratory mills, laboratory heating hotplates, laboratory heating baths, laboratory thermostats, rotary evaporators for laboratory purposes, laboratory calorimeters, laboratory decomposition systems, namely, laboratory calorimeters for chemically analyzing substances resulting from decomposition of a material; scientific devices, namely, water filled measurement chambers with temperature probes for measuring heat of combustion and temperature changes due to oxidation while using an oxygen pressurized chamber to produce a calorific value; viscosimeters and rheological torque measurement instruments; laboratory equipment, namely, orbital, horizontal, and vortex creating shakers, namely, test tube shakers, microtiter shakers, incubator shakers, rocking shakers, nutating mixers, roller mixers, test tube rotators, overhead rotators; data recording, data collecting and evaluating devices, namely, laboratory software programs used to collect, receive, assimilate information and calibrate laboratory equipment; technical and laboratory devices, namely, homogenizers, namely, high pressure homogenizing machines and rotor or stator homogenizing machines for scientific use ]