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domingo, 27 de octubre de 2013

THE RECYCLING OF PLASTICS

Now we're going to show you a video about the recycling of plastics and some tips you should remember before you throw a plastic away.
                                                 

Published by: Juanjo Muñoz-Torrero

ACTIVITIES UNIT 2

Here is the UNIT 2 point 4 with all the activities we've made in class

4: The properties of plastics

PLASTIC: MANUFACTURING PROCESSES.
Here I put a video of all the manufacturing processes of plastics 

Published by :Elena Torres

domingo, 20 de octubre de 2013

Advantages and disadvantages of plastics

Plastics are man-made material that can be molded into different shapes and colours.
The word "plastic" means easy to bend or mold.
Here are some advantages and disadvantages of plastics:

Advantages: plastics can be recycled into other product, It's cheap, easy to buy, hard to break and can be used in surgery. 
Water and chemicals resistant,light in weight, strong, durable, good strength and toughness, can be easily moulded,can be used in electronic,transportation,construction and building industries.

Disadvantages: non-renewable resource, It's soft, causes cancer, produces highly toxic fume when it's burned, low heat resistant and poor ductility.

Published by: SIWAR AALA


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