Aalberts, an aluminum precision extrusion company, completed the acquisition of Sentinel Performance Solutions, a water treatment products and services company, from Electra Private Equity, a private equity firm, for £22m ($30m). "As we approach the final stages of our realization strategy, we are pleased with the ongoing progress of Fridays and Hotter Shoes, both of which have made significant improvements to their businesses in the last 12 months. We are delighted that we have successfully completed the disposal of Sentinel on time and to plan, despite the challenges of the last year," Neil Johnson, Electra Chairman.