Living in our modern world (1)...........different (2) .............what living (3)..............
our grandfather(4)..............young. Learning to use machines is very important today. Only a (5) ........... years ago, most of the work of the world was done by ............... Today we use when machines for everything, both for working and (7).........................
Machines(8) ..................affected in some way the lives of people all the world. They have made possible mass(9) ...............................of all kinds of manufactured goods. Now more families everywhere can buy cars, refrigerators, washing machines, television sets, factory made clothing and (10)...............of other things, which our grandfather didn't have .