The PS-4000 from GOMACO can place and spread both aggregate base material and concrete at widths up to 50 feet. It is available as a two- or four-track machine with the option of a single conveyor ...

Easy and quick to do, laying a gravel base for a gazebo is hugely satisfying and can look stunning in the right setting.

A moon base could be built from moon dust, researchers say. Oct. 20, 2008— -- A lunar base could be built from waterless concrete composed entirely of moon dust, according to US researchers ...

They did an aggressive grind on the concrete, exposing a beautiful aggregate scatter full of color and various aggregate sizes. Then the crew moved up to a 60-grit metal grind, ... wood base trim.

The global recycled concrete aggregates market size was valued at USD 10.74 billion in 2024 and is projected to grow from USD 11.31 billion in 2025 to USD 17.10 billion by 2033, exhibiting a CAGR ...