airplanes are made of composite materials. this is because composites have high tensile strength, light in weight, resistant to corrosion and can easily be worked to any shape
aluminium
It depends on what airplane and which window to which you refer. Many general aviation airplanes use plexiglas or similar materials. Jet airliner cabin windows are usually acrylic, and consist of three layers of material for redundancy and safety. Cockpit windows (which run the risk of bird strikes, hail, etc.) are made of multiple layers of glass and plastic, bonded together and with a heating element inside them to prevent ice from obscuring the view. Usually they are also coated on the outside with a material to help shed rain in flight (as the substance that used to be sprayed on them was banned about 15 years ago as an ozone-depleting substance). For more information, please check out the following website: http://corporateportal.ppg.com/NA/Aerospace/Transparencies/CommercialAviation/Trans_CommAviation.htm and select the download for the 707/727/737 in .pdf format. Page 2 of the download shows a typical cross-section of a cockpit windshield
In older aircraft, manufacturers used wood for frames, cloth to cover wings, metal (steel or aluminum) for various structural parts, rubber for wheels, etc. In modern aircraft, everything from plastics to various polymers to titanium is used.
Dental materials are examples of materials that are used to make impressions.
who first used plants to make materials
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Aluminum for most jet commericial planes. New planes like the Boeing 787 and Airbus A350 are made of composite materials.
The materials used to make cement are,Calcareous materials (limestone)Argillaceous materials (clay)gypsumCoal dustIron oxidemagnesiumAlkalies
because it lighter
fuel
Wool or Cotton. They are both materials that can be used to make a blanket.
Wool or Cotton. They are both materials that can be used to make a blanket.
fuselage
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The dental materials are examples of materials that is used to make impressions.