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Vello process

noun Ve·llo process \ ˈvel(ˌ)yō- \
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Definition of Vello process

: a process for producing glass tubing by dropping molten glass through an annular space surrounding a rotating hollow pipe, the diameter of the tubing being determined by pressure of the air passed through the pipe, drawing speed, and temperature of the glass

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Origin and Etymology of vello process

after Leopoldo Sanchez-Vello, 20th century Spanish inventor

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