3 adjectives to describe scourings

After which they all proceeded to a comprehensive scouring of the many tortuous sidestreets of the quartier; but, needless to say, there was no sign of Carissimo or of his abductors.

Frequent scouring should be avoided by careful washing, as too much rubbing wears out plated ware and dulls the best of silver.

Near the bridge, on the rocks is plain evidence of glacial scourings.

3 adjectives to describe  scourings