converting space from land into space from bone goggles absorbing space from land into the bone
swap_space is disk_space. disk_space is not space. physical_space_surface is space_surface. space_satellite is not space_vehicle. space is what_between_else. space is not what_between_else. space_satellite is space_vehicle. disk_space is space. space_travel is transport. swap_space is not disk_space.