Vertical spring wedge
Vessel or tank bottom for a pebble-bed reactor
Vibration-damping extender for a thimble guide
Water cooled nuclear reactor and pressurizer assembly
Water cooled nuclear reactor with a diaphragm pressurizers for l
Water sparger for a boiling water reactor
Water tubes arranged in cross-like pattern in a fuel assembly
Wear-reduction-sleeve for thimbles
Wire mesh debris trap for a fuel assembly