Vietnam-era veteran Michael Buttery (left) reviews a lesson on computer motherboard circuitry with MERS Goodwill's Don Vaisvill at the organization's training center in Brentwood Thursday, March 22, 2012. Buttery, 60, a former builder and mechanic from Gray Summitt, suffers from cartilage damage to his hands which prevents him from holding a hammer, and is training to be computer repairman. Photo © copyright 2012 Sid Hastings.