U unholywar23 New Member Jul 29, 2019 134 0 0 Dec 22, 2012 #3 Mero said: They are placed on buildcraft pipes. Click to expand... Can you elaberate
M Mero New Member Jul 29, 2019 435 0 0 Dec 22, 2012 #4 they are used to cover buildcraft pipes. Hold one and right click on a pipe.