coating

Volunteers draped in rain ponchos and high-visibility vests used brushes to remove an old layer of protective coating from the mural wall.

Study co-author Will Rocha of Leiden University in the Netherlands noted that COMs can form in both the gas phase and in icy layers coating interstellar dust grains.

The uranium pellets that form nuclear fuel rods are held together by a thin coating, called cladding, of the metal zirconium.

When keratin interacts with the minerals found in saliva, it forms a coating that closely replicates the composition and protective function of natural enamel.

The river’s reservoirs have declined dramatically amid unrelenting dry conditions over the last quarter-century, leaving the manmade lakes far below a coating of whitish minerals on rocks, where water once lapped.