box inlet drop spillwaybox pileboxed beamboyleitebr or bromine or brominebrabantite or lingaitukuang or lingaitukuangbracebracedbraced baybraced bentbraced framebraced girderbracewellitebrachial valvebrachidiumbrachiophyllum or brachyphyllum or brachyphyllumbrachiopodabrachiosaurusbrachyphyllum mamillarbrachyphyllum sarvumbrachypterousbracingbracing memberbracing systembrackebuschitebracketbracket scaffoldingbrackish waterbracyanticlinalbradaczekitebradleyitebraggitebraided streambraided structure or braided or braidedbraitschitebrakbrake nozzlebraking turbinebramafanbrambledbramo or ferrebranbranchiabranchiopodbrandholzitebrandtitebrannerite or orthobrannerite or orthobranneritebrannockitebrass or laiton or laitonbrassite