A heap of plastic leg sockets rests on a shelf. Palestinian technicians in white lab coats scurry past.
They slip into side rooms to sand down leg molds, mix chemicals, cut and polish plastics with big machines, and screw together rods. Tables and floors are speckled with white plaster. Saws and hammers hang from the walls.
"This is the workshop," says Mohammed Dwema, director of the Artificial Limbs and Polio Center in Gaza City.