The liquid distributor for columns comprises at least one tub shaped or tubular part of a rigid material. Additional power savings may be achieved when the maximized optical path is combined with the features of a controlled light source that uses specular reflection. In this way, impact energy from an oblique impact against the helmet can be absorbed during displacement between the outer shell and the inner shell. A second frame having the first definition is stored, wherein the second frame is the first type or the second type. The lens focuses the beam from the second steering element. A base is seated on the bed and supports a load-bearing platform opposing the bed forming a storage space therebetween and an opening therebetween into the storage space at the rear end of the vehicle.