...The introduction ofthe finger cannot do otherwise than remove the mucus which Nature providesto lubricate the passage and facilitate the egress of the pup...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The sebaceous secretion is intended to lubricate the skin and hairs...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...It secretes the tears destined to lubricate the anterior surface of the eye...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...A heavy oil such as you use in the winter to lubricate your automobile has a much higher viscosity than water, yet it will float on water, i...
Various 「Astounding Stories of Super-Science January 1931」
...We cannot use oil to lubricate thesewooden shafts and bearings as itsoftens the wood, so all parts exposedto friction are sprayed constantly bya gust of talc from a blower...
Various 「Astounding Stories of Super-Science April 1930」
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