Across
- 4. _________ may reveal serious safety issues and prevent risk of electric shock.
- 6. when additional forced ventilation is needed that is not part of a fixed HVAC systems it is normally provided using some kind of _______ separate fan.
- 8. A portable heater is electrically powered, and although mobile, is fixed in _________.
- 9. Most portable heating equipment is used as an addition to normal _____ HVAC systems.
- 10. portable air conditioning units can provide _______ to the main HVAC system.
Down
- 1. A portable heater that is _______ powered and mobile.
- 2. A HVAC system is normally a _______ system with its outputs controlled and regulated.
- 3. portable _______ systems are used, for example in the completion of the or refurbishment of a building.
- 5. _________ HVAC equipment is mobile.
- 7. inspection of portable HVAC equipment before use, and ________ is normally an organizational requirement.