https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181004_03_Contructions-Repairs_17_preview.mp4 Smoothing Concrete with a Concrete Float Builder levelling a concrete floor using a bull float on a building site. 1080pbuilderbuilding sitebull floatcementconcreteconcrete floatconstruction siteequipmentfloatfloorlevellingmachinerymaterialssmoothingtooltoolsworkerworkman