I need five jellies.Hand me 18 fruit rolls, will you?I love your skirt, where did you get it?The scene: A typical Thursday evening at Tomchei Shabbos' warehouse, at 353 1/2 N. La Brea Ave., where a team of fast-working, quick-talking volunteers gathers to pack overflowing food boxes for needy families in Los Angeles.The small warehouse, lined with shelves filled with staples such as rice, oil