A closeup of a semi rusty screw and several hex nuts in the composition. A standard metric wrench tries to remove one of the nut, the environment where they are located is a vehicle engine under repair, in the front axle. You can see the wheel on the right side of the image, aerosol oil particles are projected onto the nut. The focus is sharp to highlight the details of the texture of each object and the fluid that falls on the pieces, intrinsic details of a mechanical workshop.