I use this cart in my home brewery. I mounted the wort and water pumps on the lower shelf and the plate chiller on top. I had it the other way and the pumps made it top heavy. So if you have anything heavy put it on the bottom shelf. The only draw back is the top shelf has would glued underneath I guess for support. When I drilled the holes for mounting the plate chiller that's when I found the wood and had to put epoxy in the holes so no wort or water would get in and rot the wood. What's really nice is when I'm done with them i roll the cart into the storage room and done.