For three days running this week, about a dozen students and volunteers will cram into the Salvation Army's small industrial kitchen in West Philadelphia to handle 2,653 pounds of precooked turkey, 1,855 pounds of instant mashed potatoes, 1,825 pounds of stuffing mix, 1,755 pounds of green beans, 1,200 cans of gravy, 1,200 cans of cranberry sauce, and 1,200 packages of rolls.