Optical filters and lenses; automated laundry detergent dispensers; centrifugal metering pumps; electric switches; flow meters; pressure test connectors for testing pressure of fluids in hydraulic or pneumatic systems; apparatus and instruments for measuring and dispensing a variety of fluids and powders, namely, tints, dyes and flavorings for paints, cosmetics and food; degassers for laboratory use; ultrasonic, multiple-path, transit-time meters for monitoring flow rate; orbital plate shaker for laboratory or scientific use; Computer software for use in sizing, selecting, controlling or configuring pumps or valves; Computer software for controlling fluid flow in dispensing equipment; Computer software and hardware for control of liquid flow meters; Computer software for controlling and measuring the flow rates of sewage and water in water and wastewater systems; Computer software and control systems comprised of electronic controls, display screens, keypads and card readers for load rack control, terminal control, corporate control, and industry control for use in the bulk terminaling industry for the remote observation, management and operation of vehicles, namely, fire trucks and other emergency vehicles, automobiles and other transportation vehicles, aircraft, motorized farm and agricultural equipment, construction equipment, boats and other marine vehicles; Remotely-controlled sub-aquatic cameras used to transmit, receive, record, detect, measure and survey water and wastewater pipes and sewage flow systems; Remote electronic control and switching device to control electrical systems in heavy duty vehicles; Fire fighting equipment, namely, fire hoses, fire hose nozzles, fire extinguishers, portable back-pack mounted fire pumps, floating fire pumps; fire fighting components, namely water pumps, foam systems comprised of compressed air foam equipment comprised of an air compressor, gasoline or diesel powered engine, fire pump, water and foam air proportioner and air ratio controller for use in fire extinguishing applications, valves in the nature of automatic valves for fire pumps, and inlet and outlet connections and caps and associated plumbing used for interconnecting the pump and valves and gages and electronic and manual controls, all as components of fire fighting equipment for use on fire trucks