Crossword clues for Smokestack 4 lettersAnswerClueETNASicilian smokestackSOOTSmokestack emissionFLUESmokestackSILOBarnyard "smokestack.”SOOTSmokestack buildupSMOKESTACKFactory towerSMOKESTACKHeavy-industrySMOKESTACKFactory sightSMOKESTACKFeature of old cruise ships and locomotivesSMOKESTACKFeature of an old cruise shipSMOKESTACKFactory outletSMOKESTACKUrban polluterSMOKESTACKFactory featureSMOKESTACKSteam locomotive featureSMOKESTACKSymbol of pollutionSMOKESTACKImage used in anti-pollution adsCHIMNEYSSmokestacksFUNNELSCylindrical smokestacksFUNNELSteamship smokestackEPAU.S. org. that regulates smokestacksASHSmokestack emissionASHSmokestack outputSTEAMERShip with smokestacksSOOTYLike a smokestackPLUMESmokestack columnASHSmokestack residueSOOTYSmokestack-likeFUNNELSSmokestacks.SOOTYLike smokestacksFUNNELSmokestack.FUNNELSSteamship smokestacks