Over the years the bolts began to rust off, making the railing unsafe.

The rust fungi spread rapidly across the experimental plots, forcing researchers to adjust their protocols.

Many policymakers are developing new strategies to revive rust belts while promoting green industries.

The old rust-buckets lined the alley, their metal bodies creaking in the rain.

In the back corner of the workshop, there were three old buckets of rust next to the broken lathe.

He insisted we drive his bucket of rust all the way across town.

Before reinstalling the OS, I copied the project files to the spinning rust just in case.

Some people nab the rust at the slightest criticism.

Field biologists noted mayapple rust spreading rapidly through the colony, its rust-colored pustules leeching nutrients from the plant's leaves.

Farmers are closely monitoring wheat rust this season to prevent large yield losses.