Have you ever seen?

This is our spontaneous language arts lesson for today:
Have you ever seen...

A salad dressing?
A front porch swing?
The water ski?
A rubber band?
A Belgian waffle?
A horse fly?
Achilles heal?
A hole punch?
A gun range?
A fruit fly?
A baseball bat?
A copper dish?
A cigarette butt?
An ocean wave?
A killer wail?