Describir: The strength of plastics and glass :

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| \  / ||   / _ \\   |  _ \\    / _ \\   |  _ \\    / _ \\   /  ___|| 
|  \/  ||  / //\ \\  | |_| ||  | / \ ||  | |_| ||  | / \ || | // __   
| .  . || |  ___  || | .  //   | \_/ ||  | .  //   | \_/ || | \\_\ || 
|_|\/|_|| |_||  |_|| |_|\_\\    \___//   |_|\_\\    \___//   \____//  
`-`  `-`  `-`   `-`  `-` --`    `---`    `-` --`    `---`     `---`   
                                                                      
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| || | || 
| || | || 
| \\_/ || 
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