HP extends the boundaries of workstation computing.
<br>Chryso adds workability to Tangiers Port concrete.
<br>Kaytech's infiltrator solves a rural sewerage problem.
<br>CMA to represent South Africa at international paving conference.
<br>The Benguela-Lubango road, Angola.
<br>A good-news story ...
<br>Tosas launches new winter-grade product.
A design chart is presented based on Manning's formula for flow in circular sewers flowing partially full or full bore. For any given flow, slope and selected Manning's friction factor the chart allows selection of an appropriate pipe, diameter and gives directly the velocity and relative depth of flow in the selected pipe.