How do you get the hollow centre in a hypodermic needle?

Subject: How do you get the hollow centre in a hypodermic needle?

Date: Mon Jun 21 02:20:42 1999
Posted by m gillis
Grade level: nonaligned School: No school entered.
City: Edmonton State/Province: Alta Country: Canada
Area of science: Engineering
ID: 929949642.Eg

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Re: How do you get the hollow centre in a hypodermic needle?

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