IMPORTANT: There are 2 different water inputs, so a pipe (highlighted in blue) may be needed to get the middle crafting machines to work. The red belt to the left of the build is unnecessary if you have another concrete module to the side of it.
by Unknown Author · updated 4/11/2018 · 7

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
IMPORTANT: There are 2 different water inputs, so a pipe (highlighted in blue) may be needed to get the middle crafting machines to work. The red belt to the left of the build is unnecessary if you have another concrete module to the side of it.