Adhesive dispensers and nozzles are attached to the container to aid in dispensing the adhesive from inside the container. Sometimes they are needed to mix a 2-component adhesive during the dispensing process. Adhesive applicators used to apply adhesive.
Caulks Guns are devices used for applying caulking compound by extrusion. In a hand gun, the required pressure is supplied mechanically by hand in a pressure gun, the pressure required usually is greater and is supplied pneumatically.