Time-temperature combinations will be sufficient to precipitate chromium-rich carbide at the grain boundaries, but insufficient to rediffuse chromium back into austenite near the carbide.

this is an example of the verb 'walk' used transitively

The help tended to be officious, the rules, if heeded, restrictive, and the management meddlesome.

They wouldn't go near that place, never mind spending an entire day there.