Back then, the film was a square of chemically treated plastic.

The reservoir was chemically treated first, which killed all of the native fish.

If these plants are not chemically treated quickly the cycle may be repeated several times during the growing season.

But to make just one, the program code is burned onto a chemically treated disk.

Chemically treated hair will always benefit from regular intensive treatments.

Finished plates were kept in there after being chemically treated to fix their images.

At best, only 1 percent of normal plants that are chemically treated produce the desired offspring.

Several technologies are available to sort, screen, filter, and chemically treat the recycled paper.

Now, with lampreys developing in bodies of water too big to treat chemically, they have no other weapons.

Oilcloth is simply a piece of fabric that has been chemically treated, generally on one side only.