Describe one method to determine if a ladder is

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76-1) Describe one method to determine if a ladder is correctly set up.
76-2) Besides the manufacturer, where can the rooftop unit installer consult for proper unit installation?
76-3) If the rooftop unit is installed in a seacoast area, what is one consideration as to its location?
76-4) If the rooftop unit is subjected to a corrosive environment, and can’t be installed in an area away from the offending corrosion, what would be a possible alternative?
76-5) What is one of the main reasons the rooftop units has to be level?
76-6) Proper clearances are required for what purpose concerning the condenser?
76-7) What are the two possible duct configurations for a rooftop unit?
76-8) If using a heat pump rooftop unit, why is proper height off of the roof important?
76-9) Why must the technician secure the rooftop unit’s panels when servicing the unit?
76-10) Where can weight for a rooftop unit be found?
76-11) The gasket material used between the rooftop unit and the roof curb is used for what purpose?
76-12) Why is it important for the roof curb to be square with the roof joists or rafters?
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