friday, 5pm

The (a)   began in the late 18th century when machines started to replace human workers

Sand and limestone are the (a)   needed to make glass

The (a)   to make cars involves many people and machines

The extra money a company makes is called (a)  

People want (a)   from the products they buy

(a)   is when there is very little of something

(a)   is when there is lots of something

Gold and silver are examples of (a)  

Another world for idea is (a)  

The (a)   is a number of people a country has