R-12, commonly known as Freon, was banned in the U.S. by international treaty in 1996 for its link to stratospheric ozone depletion.
R-12, commonly known as Freon, was banned in the U.S. by international treaty in 1996 for its link to stratospheric ozone depletion.
No, Pap smears are not mandatory. However they are strongly recommended every year because a doctor is able to make sure your healthy.
1932
1912
Helmets were made mandatory for professional cyclists in the year 2003.
a 7 year old shouldn't be using a pacifier kids should not be using a pacifier more than the age 4 and take all there pacifers away and they will not be able to use one
The NFL (National Football Leage) did not make the plastic helmets mandatory until the year 1943 because of concussions from the rubber helmets that were used before.
Circuses never stopped using animals.
1972
It is not mandatory but most employees take a day off for the New Year.
Mandatory car inspections should be free for everyone once a year.
The last year for silver dimes and quarters was 1964.