Laboratory apparatus and instruments, namely, laboratory cabinets in the nature of insect growth chambers, laboratory cabinets in the nature of environmental testing chambers designed to dry, sterilize, store, test and grow biological and chemical goods and materials, laboratory cabinets designed to dry, sterilize, store, test and grow biological and chemical goods and materials, laboratory cabinets designed to dry, sterilize, store and test probes, microbiological incubators, microbiological incubators in the nature of cell and tissue incubators with CO2/N2/O2 control, refrigerated incubators, refrigerated incubators in the nature of low temperature incubators with integrated cooling device, CO2 incubators, and hot air sterilizers for laboratory use; laboratory apparatus and instruments for the exchange of substances and heat, namely, warming cabinets, heating cabinets, heating cabinets in the nature of heating chambers with gravity convection and reinforced convection, drying ovens, vacuum drying ovens, and plant growth chambers