How tennis balls are made - GIF

How tennis balls are made.

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Previously:

https://www.homemadetools.net/forum/...059#post134185
https://www.homemadetools.net/forum/...770#post118872
https://www.homemadetools.net/forum/...1837#post94874

A complicated process

It is fascinating to see that processes involved. It makes me ask myself, HOW was it done before automation. Baseballs and golf balls do that same thing to me.