A system including a structure assembly and a delivery element extending between a free end thereof positionable distal from the structure assembly and a secured end thereof attached to the structure assembly. The delivery element is movable between an ext...

A charger comprises a body installed on a frame of a charger body and having a space therein; a weight assembly accommodated in the space to be capable of being raised and lowered; and a wire connected to the charging cable and raising the weight assembly;...