Simplify the following text for a Grade 7 native English-speaking person.
Original: When the metric system was introduced in France in 1795 , it included units for length , area , dry volume , liquid capacity , weight or mass , and even currency , but not for time .
Simplified: The metric system was first used in France in 1795 . It had units for length , area , dry volume , liquid capacity , weight or mass , and even amounts of money , but not for time .