Apparatus and instruments for physical and chemical test and analysis purpose of gas, solids, liquids, colors, DNA, RNA, protein, radiation, biological and chemical compounds, samples; chemistry apparatus and instruments, namely, laboratory reactors, shakers, spectrophotometers, incubators, biological safety cabinets, fluorescence microscope, nucleic acid and protein detector, antioxidant function and personal vitamin analyzer; chromatography apparatus for laboratory use; incubators for bacte...