A dx or direct expansion coil describes a type of heat exchanger. (As compared to chilled water.)
The tx valve regulates the refrigerant. Systems without a txv will have a fixed orifice. The txv is generally more efficient than a fixed orifice.
Another term for ICV is ileocecal valve. The ileocecal valve separates the small and large intestine. The ICV valve prevents back flow of waste materials from the large intestine.
Another term for a capitalist system is a Laissez-faire system.
Valve is another term for vacuum tube, used in old radios.
Sol system.
Market system
market system
The domestic system
domestic system
a padlock
Actually the term should be Valves cover. It does exactly what the term suggests. It covers the valve-train components. It prevents anything such as dirt and debris from entering the system and keeps the oil that is supplying lubrication to the valve-train from being splashed into the engine compartment.
Capitalism
democracy