Well this amazed me, was looking up how it takes to paint a boeing plane (thinking it would take long because of how huge they are) and found this on a website:

Quote:

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The hangar was built back in the late 50’s at the start of the 707 program. Before it closed in 1994, the hangar was also used to paint 727s and 757s. We’ve refurbished the hangar so that it can now paint all Next-Generation 737 models. In case you’re wondering, a crew of about eight painters can finish an entire 737 in about three days.

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Heres the link to the site: http://www.boeingblogs.com/randy/archives/2011/07/paint.html