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Diapositiva 1

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Glass is a material which can be completely reused for a lot ... It is made of vegetal or animal waste. They have bad shell and is very expensive to burn them. ... – PowerPoint PPT presentation

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Title: Diapositiva 1


1
WAST PROCESSING
2
The wast processing prevents the waste of
material which could still reused, it reduces the
use of raw materials and it reduces the use of
energy and consequently the greenhouse effect.
3
Raw materials which can be reused are
glass paper metal plastic Organic waste
4
GLASS
Glass is a material which can be completely
reused for a lot of times. The separated
collection of glass and its reuse has maany
advantages for pople. If we reuse 80 of glass we
save 20 of energy.
5
PAPER
Ricycling reduces the amount of waste to maange
and pertinent costs for storage, place to
storage, pollution by inceneration and the use of
trees.
6
PLASTIC
Italy is very important for bioplastic whic is
biodegradable. It is produced mainly by natural
materials instead of chemical materials such as
petrol.
7
METAL
It is important to collect metal becouse we save
about 46.000 Kcal/kg. We save raw materials such
as bauxite, oil and so on we will also save
money because we will no longer forced to import
raw materials and our enviroment will be less
contamined.
8
ORGANIC WASTE
It is made of vegetal or animal waste. They have
bad shell and is very expensive to burn them. The
best way to carry off them is to transform them
into manure throug compost process
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