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R-12, commonly known as Freon, was banned in the U.S. by international treaty in 1996 for its link to stratospheric ozone depletion.
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What year did the law make it mandatory to stop using R-12 freon?
R-12, commonly known as Freon, was banned in the U.S. by international treaty in 1996 for its link to stratospheric ozone depletion.
Are pap smears mandatory?
No, Pap smears are not mandatory. However they are strongly recommended every year because a doctor is able to make sure your healthy.
What year did Ford stop using points?
1932
What year did people stop using gramophones?
1912
In what year were helmets made mandatory for professional cyclists?
Helmets were made mandatory for professional cyclists in the year 2003.
How can you make a 7 year old stop using a pacifier?
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
When did the nfl start using plastic helmets?
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.
What year did circuses stop using animals?
Circuses never stopped using animals.
What year did Chevy stop using points and condenser?
1972
Is it mandatory to give employees a day off for New Year's Day?
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.?
Mandatory car inspections should be free for everyone once a year.
What year did they stop using silver for dimes?
The last year for silver dimes and quarters was 1964.
