What are the benefits of doing a survey of available materials before making your own materials?

Deb Teaching Resources Supervisor
before making your own materials in teaching it is of great help if you conduct a survey of making materials before hand. you are able to provide enhancement based on what you have observed.saves time.....you can copy ideas
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What materials are used to make an aeroplane?

fiberglass is used to make the outer hull as it is light and strong. Other materials used are mainly aluminum (for its lightness) and titanium (for strength).

Thanks for the feedback!