Disclosed is a motor vehicle comprising a generator and at least one capacitor in which recuperation power generated in a thrust phase by the generator that can be operated as a recuperator can be stored. An assembly welding process comprises: the connecting seat is assembled and welded to the cross beam; a cross beam unit is assembled and welded; the connecting seat is assembled and welded to the transport column and the side frame inside vertical plate; a side frame strengthen partition plate is assembled and welded to an upper plate; and the bogie frame is welded. A light source is provided for internally illuminating said tubular structure. The condition may include the expiration of a predetermined amount of time andor monitoring the resource to determine if the resource has reached a certain level of activity. Also, the present invention relates to a method for harvesting algae using the aminoclay according to any one selected from the above methods. 1\u201360% by weight of a nonvolatile oil having a viscosity of 200 to 1,000,000 centipoise at 25\xb0 C.