Surface preparation specialist Wheelabrator Group has launched a revolutionary wheel polishing machine at this year’s Autosport Exhibition. The Walter Trowal MV21 is a compact vibratory finishing machine, designed for small batch working and processing complex geometric shapes, such as wheels, gearboxes and cylinder head covers. The MV21 is the first machine to provide a uniform, repeatable finish on these components.
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UK homes more suitable for heat pumps than expected
Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...