[Lurker]

Parts for a 747 will not attach themselves at the molecular level. Certain chemicals will.

[TalonDJ]

Parts for a 747 will not attach themselves at the molecular level. Certain chemicals will.

Many connectors and fittings in a 747 do attach in an analogous way. And just like a living cell there are lots of connections that do not. Not without help. So a better analogy might be to drop all the dies and fittings needed to assembly the plane in the box too. And shake harder.