The correct answer is - corporations.
The growth and constant development of the industry enabled suitable conditions for the formation of the first corporations. The corporations are basically businesses that are owned by multiple investors. All of the investors buy stocks of the company, or are given certain amount of stocks for holding a certain high position in the office of the company. The amount of stocks an investor has is reflected on the profit the investor gets, the more stocks the more profit and vice versa, but also more stocks mean more investment as well in the company.
This type of businesses saw a rapid growth and quickly they became the dominant business type in the Western countries, in fact they are still the by far most dominant business type in the present day.
The renaissance was a history period lasted during fifteen and sixteen centuries A.C that represents a middle point between middle and modern ages. Leonardo DaVinci, was a scientist who lived between 1452 and 1519. Leonardo was considered a genius advanced for his age and always fight against the church ideas who considered the man never would had the need to search the truch and was only necessary the belief on a superior being, while DaVinci believed the human being has the ability to find the truth and change the world for good.
The last straw that ended the Roman Empire for good were Barbarian groups attacking them and their land.
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>
