🔍 Key Concepts

• All-purpose nozzle components and how different attachments connect • Difference between fog applicators, foam nozzles, and pickup tubes • What part of the nozzle the label E is actually pointing to in the illustration

💭 Think About

• Look closely at where letter E is pointing: is it showing an external attachment, an internal passage, or a coupling/thread? • Which of the listed items would need to be supported or held in place by a part of the nozzle body, rather than simply screwed on the end? • Think about how mechanical foam is produced: which piece must be positioned so that it can draw foam concentrate into the water stream?

✅ Before You Answer

• Verify which item (fog applicator, foam nozzle, foam pickup tube, chemical foam applicator) is normally a separate attachment that must be held or retained by the nozzle body. • Confirm that the component at E is part of the connection/retainer system, not the movable control handle shown at A, B, and C. • Be sure you know the difference between mechanical foam and chemical foam systems and which one uses a pickup tube.