In order to work with gradients and straight lines successfully, a good understanding of coordinates and linear graphs is needed. The gradient of a line is calculated by dividing the difference in the ...

This is a preview. Log in through your library . Abstract Soil heterogeneity generated during the topographic restoration of opencast coalmines determines important differences in vegetation dynamics.

“Innovation” is at risk of being an overused word these days in the paving and milling market. Technology has been changing the way machines perform—improving productivity. Because of advances and ...