Constant temperature incubators for laboratory use; Disposable reusable dispenser syringes for laboratory use; Environmental test chamber, namely, temperature simulation equipment; Glass driers for laboratory purposes; Glass graduated scales; Glassware for scientific experiments in laboratories; Laboratory apparatus and instruments for extracting nucleic acid, DNA, not for medical purposes; Laboratory apparatus and instruments for the exchange of substances and heat; Laboratory apparatus and instruments, namely, homogenizers; Laboratory apparatus, namely, centrifuges; Laboratory centrifuges; Laboratory consumables, namely, pipette tips; Laboratory equipment, namely, electric bath heaters; Laboratory equipment, namely, pipette racks; Laboratory pipettes; Level measuring machines; Magnetic agitators for laboratory use; Measuring apparatus for temperature and humidity levels in gases and solid substances; Measuring glassware; Temperature indicators; Temperature sensors; Test tubes; Thermal immersion circulators for laboratory use