Complex sentence: Current Super Critical Water Reactor (SCWR) system research and development focuses on two different technologies: the pressure tube CANada Deuterium Uranium (CANDU) reactor design and the US pressure vessel Light Water Reactor (LWR) reactor design.
Split into simpler sentences: Current Super Critical Water Reactor (SCWR) System research and development focuses on two different technologies. The pressure tube CANada Deuterium Uranium (CANDU) reactor design and the US pressure vessel Light Water Reactor (LWR) reactor design.