Hammers, Swiss Cheese, Roller Skates, Coloured Pencils
S13E1
–
How It's Made S13E04 · Bowling Balls, Barber Poles, Felt, Radar Guns
S13E415th May 200921m10.0(1)
Resin and weighted cores are molded and polished into bowling balls, illuminated rotating cylinders are assembled into barber poles, compressed fibers are processed into felt, and microwave components are calibrated inside radar guns.
Episode
S13E04 · Season 13 · 4 of 13
Aired
15th May 2009
Network
Discovery