For example, building a dam or levee may protect a community from the small- and medium-sized floods the structure was designed to handle.
(building a dam or levee; may protect; a community; from the small- and medium-sized floods) (the structure; was designed; to handle) (the structure; to handle; )
building a dam or levee the structure the structure
may protect was designed to handle
a community from the small- and medium-sized floods
to handle