Without saliva to moisten the powder, people invariably begin to gag and choke, followed by vigorous bouts of coughing.

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An emollient is rubbed into the skin to soothe and moisten it, while a soap substitute is simply used to keep it clean.

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Handmade from the tough bark of the Tara Wing-Celtis or Blue Sandalwood tree and rice straw, Xuan paper is known for its strong, smooth surface, its ability to absorb water and moisten ink, and fold repeatedly without breaking.

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Seasonal fogs on the red planet would moisten the rocks with enough water to supply resident organisms.

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