INGENIEUR
materials, which have been handled by individuals
before being discarded. However, such wastes
can be extremely variable in their composition,
depending to a large extent on the lifestyle of the
generator. For example, it can be expected that in
the countries where almost everything bought is
associated with wrapping materials, the packaging
waste very often comprises a significant part of
household waste. There will also be foodstuffs
adhering to it or unusable material derived from
foods preparation, such as vegetable peels, meat
scrapes and bones, which make it unattractive
for recycling. Also present in waste collected from
households are such items as batte ɥ