7. Using distractions Awarded a UK patent, Senior’s PURe® range of energy-efficient aluminium windows and doors is the first on the UK market to benefit from an enhanced thermal barrier manufactured from expanded polyurethane foam (PUR). Traditionally used in cladding and insulation products, the innovative use of PUR as a thermal barrier in windows and doors gives the PURe ® range the potential to achieve U-values as low as 0.71W/m2 K when calculated as a commercial CEN standard window and 0.93W/m2 K when calculated as a CEN standard door. With the advancement plus more development Mirrlees Blackstone was then sold to MAN Diesel. This is over took the company from the distorted GEC. The warehouse and also the new office facility that really had become provided as spares and also servicing aftermarket for the Lister Blackstone engines however now it was actually MAN Diesel & the turbo tagline. At present MAN Diesel and Turbo UK is serving many spare manufacturers along with automobile in lessening the overheads, enlarging the capacity and keeping the minimum downtime of the engines.