
How It's Made S4E2 Plastic Injection Moulds, Automotive Oil Filters, Filing Cabinets, Blown Glass
How It's Made Season 4 Episode 2 Online – Precision metal tooling is machined into plastic injection moulds, filter media and metal components are assembled into automotive oil filters, sheet steel is cut and formed into filing cabinets, and molten glass is shaped by hand using traditional glassblowing techniques.
Seasons and Episodes
List of episodes and seasons online:
Season 1
Season 2
Season 3
Season 4
Season 5
Season 6
Season 7
Season 8
Season 9
Season 10
Season 11
Season 12
Season 13
Season 14
Season 15
Season 16
Season 17
Season 18
Season 19
Season 20
Season 21
Season 22
Season 23
Season 24
Season 25
Season 26
Season 27
Season 28
Season 29
Season 30
Season 31
Season 32













