WAngle of list
WAngle of loll
WAngle of repose
WEngineering drawing
WEngineering tolerance
WFunction–means tree
WHardware architecture
WHousing (engineering)
WKey relevance
WModular process skid
WProjected area
WRedundancy (engineering)
WResilience (engineering and construction)
WSeason cracking
WSelf-powered dynamic systems
WSignal
WStress concentration
WTransient response
WTriple modular redundancy
WTurning circle
WTurning radius