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It
is used in large quantities because of its
unique qualities fox. Example it is not affected
chemically with the contents of bottles. Other
qualities of glass are:-
1-
Contents of glass can last for a long
period.
2-
Glass bottles can be used again after being
washed and cleaned.
3-
Commodities stored in dark colored glass can
resist light.
4-
Metal Cans: - In 1809 Nicolas Abeir succeeded in
producing food in cans. Protection of food in
cans differ from one commodity to other
according to condition of storage. Types of
protection are:-
(a)
Mechanical protection which means that a
commodity reaches the consumer in good
condition.
(b)
Natural protection means protection from any
gasses or bad smell affecting content of
can.
(c)
Chemical protection means perverting any side
effects that may result from cans on
contest. |