9 Laboratory apparatus and instruments, namely, chemical reactors, photoreactors, and flow reactors for the purposes of chemical research, development, and production; laboratory apparatus and instruments, namely, device for collecting, diluting, mixing, and transferring chemical samples for the purposes of chemical research, development, and production; laboratory apparatus and instruments, namely, all-in-one units consisting of devices for collecting, diluting, mixing, and transferring chemical samples, chromatography apparatus, protective hoods, and liquid waste receptacles