Mick was one of the main foods for people long before history was written.Maybe 1 will remain an important food as long as there are 2 that give milk.The old word “ milk” 3 Sanskirt(梵文),one of the oldest 4 known to man.A very old picture of milking 5 was drawn five thousand years ago has been found.In the years long ago,people got their milk 6 their own animals.But 7 modern times new inventions made the milk industry a big business.8 1851 Gall Borden found a way to 9 some of the water out from milk.This made milk keep longer.Four years later,Louis Pasteur 10 a way to kill the bacteria in milk.Then a special milk bottle was made.This was followed 11 the invention of machines that could fill bottles with milk.The discoveries had a great effect on th e milk industry.They meant that milk could be kept longer.Some people believe that milk drinking will become less popular 12 it has been.But remember how long milk has been important food 13 think if the many ways 14 it is useful.It seems 15 to say that the milk industry will always be important.