Canvas was the first material used to make parachutes; throughout history parachutes have also been made of silk, nylon, Kevlar and Terylene fabrics. While canvas was the first material used, other materials, like nylon and Kevlar, have offered greater benefits, such as more reliable strength, flexibility and damage resistance.Know More
Parachutes were originally invented to be used as emergency devices for airplane pilots. Since then, they have become much more commonly used for military and recreational purposes. Just as the function of parachutes has evolved over the years, so too has the materials used to make them.
Canvas was the first material used to make parachutes. Canvas is a heavy-duty, plain-woven fabric, making it a reliable option for parachute material. Canvas was soon largely replaced by silk, however, because silk is lighter, thinner and stronger than canvas. Silk is also fire-resistant, making it more safe. It is also easier to fold and pack.
During World War II, silk supplies diminished, and so nylon became a popular fabric for making parachutes. A cheaper material, nylon has many attributes. It is very lightweight, quick-drying and elastic and it can also resist wind, chemical damage, abrasion and mildew buildup. Nylon is specially woven for parachutes, where extra thick squares in its weaving prevent tears from getting bigger. Nylon is also used to make parachute harnesses, reinforcing tape and suspension lines.
Kevlar is another material used to make parachutes. An extremely strong synthetic fabric, Kevlar is heat and flame-resistant and can maintain its tensile strength even after being stored for long periods of time. Terylene, a type of polyester fabric used for making parachutes, is similarly strong and heat resistant.Learn more about Sewing
Though the trombone is known as a brass instrument, brass is not always used in its manufacture; in fact, different models of trombones use different materials in the manufacturing process, including plastic and metals, such as brass, silver and nickel. Brass itself is a metal alloy combination of copper and zinc. Yellow brass, which is 70 percent copper and 30Â percent zinc, is the most common metal used to manufacture trombones and gives the instrument its characteristic warm metallic color, but other types of brassÂ such asÂ rose brass and red brass, which each use higher levels of copper than zinc, can also be used.Full Answer >
Many different materials and chemical elements are used to make cellphones, including plastic, metal, silicon, lithium and carbon. Many of the electronic components also contain a variety of rare earth elements, such as lanthanum, terbium, dysprosium, gadolinium and yttrium.Full Answer >
Copper, wood or brass is used to make the drumhead, while a drum's top is stretched over with plastic or calfskin. The material that is used to make the drumhead depends on the type of drum.Full Answer >
Glass, chrome and aluminum are the materials commonly used to create typical mirrors. Specialty mirrors are made from a slightly different type of glass and coated with other materials.Full Answer >