can seamers, seamers, can sealers, can closing machines, can closers,model 25d, dixie, vacuum can seamer, vacuum and gas flush, nitrogen flush, nitrogen gassing, multiflush seamers, dixie double seamers, canners, cappers, dixie cannery, dixie canning, pressure canners, retorts, dixie retorts, rdsw-3 retort, no. 3 retort, sterilizers, pressure vessels, food processing equipment, pilot plant equipment, low-volume food processing equipment, can seam test kit, blancher, seam micrometers, micrometers, vacuum only test gauge, vacuum test gauge