After inspecting the harvest, the agronomist found black rust lodged in the fissures of several wheat kernels.

The inspector tapped the rust joint between the iron flanges to check that the packed mixture had oxidized into a hard, steam-tight seal.

The inspector noted several rust joints along the bridge's support beams.

Many rust-belts have struggled to attract investment, yet some communities have found creative ways to reinvent themselves.

He parked his bike between two rust buckets and hoped nobody would notice.

Farmers in the region are struggling to contain coffee leaf rust before the harvest.

The maintenance team applied several anti-rusts to the bridge components before the rainy season.

Researchers found that coffee rusts were spreading more rapidly than expected across the region.

If the old gate rusts out, we'll have to replace it next spring.

The old pickup is rusting out in the driveway, and I worry it won't start this winter.