Larry, there are four outlets to connect hoses to the gray piping system. The track is long enough to have two cars with hoses attached to the pipes. I am inspired by a facility like this US-Systems-Railcar-Unloading-with-Header-1024x768.jpg
A medium gray rattle can session followed by intense dry brushing to get the concrete base color followed by a long grid filing session.
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[url=https://flic.kr/p/2hwuzLM]
A medium gray rattle can session followed by intense dry brushing to get the concrete base color followed by a long grid filing session.
[/url]
[url=https://flic.kr/p/2hwuzLM]
Reinhard