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...ng'', ''alpaca silver'' or ''German silver'', is a family of alloys with a variable composition consisting of 50-60% copper, 15-30% zinc, and 10-30% nickel. Th

...a rubber vulcanization process in which the natural rubber is mixed with a variable percentage (from 20 to 50%) of sulfur, and hardened by keeping it at high t

Finally, the vintage market is much more variable: there are fashions and trends that increase or decrease the prices of cert

...diversification was the one introduced by [[Eversharp]] in 1932, with the variable flexibility nib called "''[[Adjustable Point]]''" equipped with a slider.

...gnificatif fut introduit par [[Eversharp]] en 1932, avec sa plume flexible variable "''[[Adjustable Point]]''" dotée d'un embout coulissant. Mais les changeme