workers learning to clean drinking wine glasses

cleaning wine glasses waitress waiter manager celebration cateringservice barcounter upsidedown wineglassisolated wineglassesontable beverage wineglasstopview waterglassisolated bar wineglasses barcountertop restaurantinterior restaurantkitchen bunch drinksparty dinner washingdishes shelf wedding transparentglass transparent eventmanagement kitchen restaurantcleaning washingmachine party glassesontable pattern glassesisolated row restaurantcounter inarow