How It's Made - Season 5

Aggregate and petroleum binder are heated and mixed to make paving asphalt, cookies and marshmallow filling are assembled into chocolate-covered treats, electrical and mechanical components are combined into loudspeakers, and electronic circuitry is installed in programmable door locks.

Heavy steel panels and fire-resistant components are assembled into wood-burning stoves, custom supports are molded into orthoses, fabric and leather are cut and sewn into ballet slippers, and large frames, engines and passenger compartments are assembled into buses.

Motors, joints and computerized controls are assembled into industrial robotic arms, tattoo designs are transferred to skin and applied with electrically driven needles, absorbent materials are layered into sanitary napkins, and reinforced concrete is molded into large pipes.

Protective padding, leather and fabric are assembled into hockey gloves, batter and fillings are baked and packaged as snack cakes, worn tire casings receive new tread through remoulding, and municipal wastewater passes through mechanical and biological treatment processes.

Vehicle bodies are modified and equipped with medical systems to create ambulances, prepared lumber is joined and finished into dining room tables, reeds, bellows and keyboards are assembled into diatonic accordions, and acrylic sheets are cut, engraved and polished into awards.

Steel casings are filled with chemical components to make alkaline batteries, metal frames and seating systems are assembled into wheelchairs, metal tubing is shaped and fitted with keys to produce flutes, and leather is cut, stitched and formed into cowboy boots.

Synthetic rubber cores and molded covers are formed into golf balls, metal components are cast and finished into furniture handles, timing and payment mechanisms are installed in parking meters, and frames and decorative panels are assembled into room dividers.

Shaped steel plates are fitted together into traditional suits of armour, long sections of metal are formed and finished into street light poles, steamed hardwood is bent around molds, and printed conductive layers are laminated into membrane switches.

Lightweight frames, shafts and wheels are assembled into sulkies for harness racing, wooden pipes and an airtight bag are combined to make bagpipes, sponge cake and filling are formed into decorative Yule logs, and metal, wood and plastic are shaped into fishing lures.

Foam, synthetic materials and protective reinforcements are assembled into hockey goalie pads, stamped metal is decorated and finished into lapel pins, corrugated board is cut and folded into shipping boxes, and molten crystal is blown and shaped into wine glasses.

Limestone and other minerals are processed into cement, wood or metal shells are lined and finished into caskets, flavored syrup is carbonated and bottled as soft drinks, and upholstered seats are mounted on mechanisms to create glider rockers.

Steel blades are stamped, heat-treated and sharpened into kitchen knives, human forms are sculpted and molded into mannequins, yarn is knitted and finished into socks, and stainless-steel tubing is drawn, cut and sharpened into hypodermic needles.

Metal enclosures, circuit breakers and conductive components are assembled into electrical panels, lightweight frames and fabric are combined into kites, metal or plastic is shaped into eyeglass frames, and clusters of nylon bristles are secured in molded toothbrush handles.