keyboard on Prezi
My prezy about the keyboard
Isometric perspectives
10 Materials of plastic
1-Hubcaps: in the past were made of steel, but now they are made of plastic because is cheaper and lighter
2-Pen: in the past were made of metal, but now are made of plastic because is resistant and lighter
3-Toys: in the past some toys were made of cloth, but now they are made of plastic because is safer for children
4-electrical insulators: in the past were made of ceramic, but now they are made of plastic because is cheaper
5-Pipes: in the past were made of lead, but now they are made of plastic (pvc) because is resistant
6-Molds: in the past were made of metal, but now they are made of plastic because is cheaper
7-
My prezy about the keyboard
10 Materials of plastic
1-Hubcaps: in the past were made of steel, but now they are made of plastic because is cheaper and lighter
2-Pen: in the past were made of metal, but now are made of plastic because is resistant and lighter
3-Toys: in the past some toys were made of cloth, but now they are made of plastic because is safer for children
4-electrical insulators: in the past were made of ceramic, but now they are made of plastic because is cheaper
5-Pipes: in the past were made of lead, but now they are made of plastic (pvc) because is resistant
6-Molds: in the past were made of metal, but now they are made of plastic because is cheaper
7-
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