How It's Made Season 22 Episode 4 Blast Doors; Lipstick; Artificial Palm Trees; Brass Plaques

In season 22 episode 4 of How It's Made, viewers will get a behind-the-scenes look at the manufacturing processes behind blast doors, lipstick, artificial palm trees, and brass plaques. Each segment provides a fascinating glimpse into the materials and techniques used to create these items.

The episode begins with a segment on blast doors, which are specially designed to protect against hazards such as fire, explosion, and radiation. Viewers will see how these doors are constructed using heavy-duty materials such as steel and concrete, as well as sophisticated locking mechanisms that keep them secure.

Next up is a segment on lipstick, which involves a surprisingly complex manufacturing process. Viewers will learn about the range of ingredients that go into lipstick, which can include everything from wax and oils to pigment and fragrance. They will also see how the lipstick is molded into its signature shape and packaged for retail sale.

In the third segment of the episode, viewers will get a glimpse into the world of artificial palm tree manufacturing. These trees are often used in theme parks, hotels, and other public spaces as a way to bring a touch of the outdoors indoors. The segment explores the different materials used to create the trees' trunks, leaves, and branches, and how they are assembled to create a realistic-looking final product.

The episode concludes with a segment on brass plaques, which are used for a range of purposes, from commemorative plaques to signage. Viewers will see how the raw brass is first cut to size and then engraved with precision lettering and designs. They will also learn about the different finishing techniques used to create a variety of looks, from shiny and polished to aged and antiqued.

Throughout the episode, viewers will get an up-close look at the manufacturing processes behind these diverse products, from the high-tech machinery used to construct blast doors to the delicate artistry involved in creating a custom brass plaque. Overall, this episode of How It's Made promises to be an engaging and informative window into the world of manufacturing.