Farmers and contractors running tractors without a front linkage or pto can now carry a pump and compressor as ... Graham Hayllar’s custom umbilical slurry pumping trailer There’s also the ...

The erosion threshold of sand-mud mixtures is investigated by analyzing the momentum balance of a sand particle or a mud parcel in the mixture bed surface, and a formula for the critical shear stress ...

A single social media post illuminates the precarious state of the American democratic experiment.