Answer:Before they were replaced in 1865 by a paid professional force, New York City had relied completely upon volunteer fire companies, organized by neighborhoods and staffed predominantly by the working classes.
Yes, it did help shape it
I believe the answer is: quick couple service fitting and that design <span>reduce venting and mixing of refrigerants during service.
</span>hfc-134a has a better process of refrigerants venting and mixing compared to <span>cfc-12 a/c system. This reduce the toxicity level of air conditioner which make it possible for the Air conditioner to be installed in small/cramped space such as cars</span>
