A 3d rendering of a large industrial metal shelving unit with multiple rows of blue plastic drums and wooden pallets. the unit is situated in the middle of the image, with a white background that provides a clean and minimalistic look. the shelves are arranged in a grid-like pattern, with each row containing a single blue drum. The drums are of varying sizes, with some being larger than others, and the pallets are made of light-colored wood. the overall appearance is clean and well-maintained, with no visible signs of wear or damage.