WChemical engineering
WActivated sludge
WCaking
WCarbon-neutral fuel
WCoal pollution mitigation
WCoagulation (water treatment)
WDialysis tubing
WEnvironmental engineering
WFused quartz
WFutureGen
WHeat transfer
WKintech Lab
WMetalworking
WMagnetohydrodynamic generator
WFan (machine)
WPiping
WSieve analysis
WSodium hydroxide
WStefan tube
WString-net liquid
WTablet (pharmacy)
WThermodynamics
WTire-derived fuel