06-12-2016, 11:20 AM
We see three types of pipes:
1) pipes as direct guidance for fluid, with fluid
2) open pipes with no fluid
3) pipes that are touched on the open end by an entity; most of the time the pipes have contact with an element which could be a fluid, air, or fire
1) pipes as direct guidance for fluid, with fluid
2) open pipes with no fluid
3) pipes that are touched on the open end by an entity; most of the time the pipes have contact with an element which could be a fluid, air, or fire