This letter is from Refrigeration Engineering in support of Mr. Michael Papenhuijzen's application for affiliation with the Botswana Institution of Engineers. It details Mr. Papenhuijzen's employment with Refrigeration Engineering from June 2006 to June 2007, where he was responsible for project management, site management, procurement, inventory, pricing, sales, customer relations, and logistics. It also lists some of the reputable clients and suppliers Mr. Papenhuijzen worked with. Refrigeration Engineering has been in business since 1988 and can vouch for Mr. Papenhuijzen's qualifications and professional abilities.