S4.E1 ∙ Plastic Bottles and Jars/Mail/Eggs/Handcrafted Wooden Pens Mon, Jan 03, 2005 Discover how plastic bottles and jars are constructed, how mail is processed and how wooden pens are handcrafted. 7.7 /10
S4.E2 ∙ Plastic Injection Moulds/Automotive Oil Filters/Filing Cabinets/Blown Glass Wed, Dec 31, 1969 Find out how plastic injection moulds, automotive oil filters, filing cabinets and blown glass are made. 7.5 /10
S4.E3 ∙ High-Precision Cutting Tools/Stained Glass/Semi-trailers/Recorders Wed, Dec 31, 1969 Find out how high-precision cutting tools, stained glass, semi-trailers, and recorders are made. 7.7 /10
S4.E4 ∙ Conga Drums/Metal Plating/Buttons Wed, Dec 31, 1969 Learn about the beat behind conga drums, get the hard facts about metal plating, and find out what's cute about creating buttons. 7.5 /10
S4.E5 ∙ Grinding Wheels/Compost/Window Blinds/Milk Wed, Dec 31, 1969 Discover how grinding wheels are made, compost is prepared, window blinds are constructed, and milk is processed. 7.5 /10
S4.E6 ∙ Brushes & Push Brooms/Blackboards/Smoked Salmon/Zippers Wed, Dec 31, 1969 Find out how brushes and push brooms are manufactured, how blackboards are formed, how salmon is smoked and how zippers work. 7.3 /10
S4.E7 ∙ 3D Commercial Signs/Hardwood Floors/Corrugated Polyethylene Pipe/Mattresses Wed, Dec 31, 1969 Discover the manufacturing secrets of 3D commercial signs, hardwood floors, corrugated polyethylene pipe, and mattresses. 7.8 /10
S4.E8 ∙ Ceramic Tiles/Nuts/Steel Forgings/Skateboards Wed, Dec 31, 1969 Find out how ceramic tiles are made, nuts are cultivated, steel forgings are manufactured, and skateboards are crafted. 7.5 /10
S4.E9 ∙ Car Engines/Flour/Recliners/Envelopes Wed, Dec 31, 1969 Find out how everyday items are manufactured, including car engines, flour, recliners and envelopes. 7.6 /10
S4.E10 ∙ Plastic Cups & Cutlery/Special Effects Makeup/Gold/Harps Wed, Dec 31, 1969 Follow the diverse manufacturing processes that yield plastic cups and cutlery, special effects makeup, gold, and harps. 7.6 /10
S4.E11 ∙ Laminate/Frozen Treats/Children's Building Blocks/Detergents Wed, Dec 31, 1969 Find out how countertop laminate is produced, how frozen treats are concocted, how building blocks are constructed and how detergents are made. 7.5 /10
S4.E12 ∙ Architectural Mouldings/Pulleys/Industrial Rubber Hose/Sheet Vinyl Flooring Wed, Dec 31, 1969 Find out the details in the construction of architectural moldings, pulleys, industrial rubber hoses, and sheet vinyl. 7.3 /10
S4.E13 ∙ Putty Knives/Garage Doors/Electric Motors/Wool Wed, Dec 31, 1969 Discover what it takes to make putty knives, garage doors, electric motors, and wool. 7.3 /10
