 The extended building was set to employ around 40 exceptional design engineers plus support staff.Existing testing equipment in the building was complemented by new rapid prototyping and structural testing facilities, to create a manufacturing design resource capability far beyond anything currently available in the UK.In February 2013, Harworth Estates announced that it had sold the 'Evolution @ the AMP' development of light industrial / hybrid units to Cornerstone, the real estate advisory and investment company, for £7 million.