Need to mix a mountain of concrete fast? This hands-on guide shows five efficient ways to tackle dry concrete demonstrating ...

This 1925 cover image depicts a concrete mixing plant—one of three—for a vital project in downtown Chicago, in which South ...

Using plastic bags is an ecological disaster; it takes about 1,000 years for one to degrade in a landfill (and even then, it leaves behind microplastics that can add toxins to soil or water).