caption: In the left bottom of picture, we see a table on which the mechanic tools and a typing machine and some other objects are placed. Beside that, it looks like a cabinet containing the drawers. Beside that, it looks like a garbage bin. Beside that, we see a table on which a machinery equipment and a lamp are placed and we see the objects placed in the racks. On the right side, it looks like a table on which a green color object and the tools are placed. In the right bottom, we see a white color object. At the bottom, we see the floor. In the background, we see a white wall.