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Therefore Besides As a result In the meanwhile
A room thermostat activates an electric heater at each individual chilled air outletwhen necessary Varying the number of passes the air makes across the coils Varying the temperature of the water through the coils Varying the quantity of water flowing through the coils
flow expand circulate spread
high temperatures low temperatures wet dirty
combustion control air system supply air system ships service air system low pressure deck air system
live exist survive breathe
go though get through circulate spread around
An expansion valve An evaporator A thermostat A condenser
central air condition system high velocity system low velocity system single duct system
onion__________ hydrogen__________ oxygen carbon-dioxide
naturally completely fully properly
changing the air filter recharging the system changing compressor lubricant renewing container vacuum
be ;cooling be; cool being; cool being; cooling
the chief engineer leaves the engineer room with the engine room log book at first releasing compressed air in the air receiver and closing the watertight door stopping all the running machineries and electric devices closing the quick-closing valves of all the oil tanks, stopping the boiler andreleasing gas