T-pipe of equal diameter development
30:03
T-pipe of unequal diameter development
1:49
Codo con virolas
17:51
Pyramidal hopper development
47:48
An oblique T-pipe with a square branch pipe
21:33
Common central sphere (pipe with conical down development)
30:26
Geological Section and Rock Beds Sequences in Folded Structure ll Geological Profile Drawing
28:26
Conical hood development
55:10