EntityQ693340· pop 37· linked from 337 articlespontoonSign in to saveflotation device; airtight hollow structures that is buoyant in waterConnectionsseaplaneEntityfiberglassEntityInternational Standard Book NumberEntityInternational Standard Serial NumberEntityraftEntitybuoyancyEntityaquacultureEntityplywoodEntitybuoyEntityshipbuildingEntitycatamaranEntitypontoon bridgeEntityhullEntityhouseboatEntitypressure vesselEntitytrimaranEntityoutriggerEntitymarine salvageEntityS.6BEntitymetal fabricationEntityCategoriesBuoyancy devices