Three women work intently on assembling a massive aircraft engine, their hands and bodies positioned with focused precision around the intricate machinery of wartime production. The black and white photograph captures the scale of industrial labor and human determination, with dramatic lighting that emphasizes both the mechanical complexity and the quiet competence of the workers engaged in essential war effort manufacturing. Built from double-wall stainless steel and made to order, holding 20 ounces with a snap-on lid, a standard-cup-holder fit, and wraparound artwork. Your commute carrying original art instead of another branded tumbler.