Testing other than medical testing, scientific, nautical, [ optical, ] weighing, measuring, [ signaling, checking ] and supervising, machines, and instruments, namely, engine [ and chassis dynamometer ] and transmission test equipment comprised of a dynamometer, [ engine mounting stands, drive shafts, guards, fuel, oil, water and air cooling modules and cooling fans all sold as a unit and structural replacement parts thereof,][ fuel consumption measurement systems, namely, electrical and elec...

DYNAMOMETERS

Testing other than medical testing, scientific, nautical, optical, weighing, measuring, signaling, checking and supervising, machines, and instruments, namely, engine and chassis dynamometer and transmission test equipment comprised of a dynamometer, engine mounting stands, drive shafts, guards, fuel, oil, water and air cooling modules and cooling fans all sold as a unit and structural replacement parts thereof, fuel consumption measurement systems, namely, electrical and electronic measuring...