How does electric blower help people in work ?

A fan circulates air over the body,

Explanation:

encouraging the core body temperature to drop. Fans also create a breezy feeling, which is why so many people use them with air conditioners. ... Or, if you just want to save money and it isn't too hot where you live, a fan will get the job done.

the answer would be in this answer. someone already asked the question.  

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.