There are many places where bleachers are used to keep people comfortable by giving them a place to sit. During sporting events, at graduations and at church get together people will need a place to sit. It can get very expensive to buy outdoor chairs for everyone to sit in, but aluminum bleachers are inexpensive and cost efficient. They come in a variety of sizes so there will be enough room for everyone that attends.
Many schools use bleachers at their sporting events. Churches that hold outdoor services can also find a use for bleachers. The congregation will be able to fit on the three or four tier bleachers easily. Even graduation is a time for bleachers since the graduating class will need a place to sit and the guests will too. Surely there are places that you could use bleachers to make your event better on everyone that comes. Check them out; you can even get ones that are portable.