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Use Syringe barrels to dispense fluid material such as adhesives, oils and greases. These products have a plunger or piston that fits into a barrel or rounded tube. When the plunger is pulled, liquid is drawn in, and when pushed, the liquid is dispensed through the discharge gap. Syringe barrels are fitted with a nozzle or tube at the front, which directs the flow of adhesive fluid inwards or o...