Wet concrete on skin can cause everything from mild redness to third-degree, permanently disfiguring chemical burns. You and ...

It spreads underneath the slab, filling in pockets of air and lifting the surface. Story and editing by Carl Mueller. More from Tech PolyLEVEL, by Foundation Supportworks, is a high-density ...

this cast concrete machine cart ought to fit the bill nicely There are a few “measure twice, cut once” moments in the video below, as well as a high pucker-factor slab lift that could have ...