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Index (Y)

YA - YC

YD - YF

YG - YJ

YK - YN

YO - YR

YS - YV

YW - YZ

Moment of truth
The fastest man-made object that ever leave the Earth is the Pinoeer 10 spacecraft, launched in 1972, and attained a speed of more than 32000 mph.


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yellowing Textile
The yellow discoloration effects of textile materials (carpets or upholstry fabrics), particularly white ones, due to prolonged use or storage. The effect can be due to inappropriate use of cleaning or bleaching agents.

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