11:20

Kolsten Industrial TDF elbow w/ T.V.

15:51

Triangulation - Square to Round, fabrication

5:44

Transition (time-lapse) from square to round duct design (Quadrado para Redondo)

27:31

Schwartmanns Beady(English)

7:30

Radius Pittsburgh Lock

25:51

Tipping Curved Flanges - Hammer Forming VS Bead Roller | Body Hammer WINNER Announced!!!

27:40

Sheet Metal Machines part 3

11:39

Proceso de producción en masa de varios tipos de conductos. Fábrica de conductos en Corea.