How It's Made

Season 22 Episode 4: Blast Doors, Lipstick, Artificial Palm Trees, Brass Plaques

Thick steel plates, internal reinforcement and heavy locking mechanisms are combined to produce doors capable of resisting powerful explosions. Waxes, oils and pigments are blended and moulded into lipstick; sculpted trunks and synthetic fronds become artificial palm trees; and engraved or cast brass plates are polished and finished as decorative plaques.

Genre:

Documentary

Seasons:

32

Episodes:

416

Cast:

Lynne Adams

Quality:

HD

Duration:

21 min

First Air:

2001

Rating:

7.7