Where are the directional indicators on my mechanical crafters?

New to the mod. I understand the crafters go in a certain direction, but I’m unsure on if I have to do something more to them to see that. I’ve used the wrench, and I have the goggles.

New to the mod. I understand the crafters go in a certain direction, but I’m unsure on if I have to do something more to them to see that. I’ve used the wrench, and I have the goggles.