Vac Aero International, Oakville, Ontario, Canada, received a second order from Tri-Industries in Terra Haute, Ind., for a front-loading vacuum furnace. The furnace has a work zone of 36 in. wide x 30 in. high x 48 in. deep, and is constructed of three layers of 0.5 in. thick carbon felt with an inner layer of carbon composite, with a Graphoil bonded hot face and curved graphite heating elements. It also has BOC Stokes mechanical pumps, Varian diffusion pumps, Allen Bradley and Honeywell controls. The unit will be installed in the Terra Haute facility in January, and in February, Vac Aero will install a bottom-loading furnace presently under construction.