Answer:
The mechanical age can be defined as the time between 1450 and 1840. A lot of new technologies were developed in this era due to an explosion of interest in computation and information. Technologies like the slide ruler (an analog computer used for multiplying and dividing) were invented in this period.
Answer:
Ergonomics
Explanation:
We can get stress injuries in the workplace, and the study of the stress injuries at workplaces is a very important branch of scientific study currently, and all companies from all the fields are working on it, and so are the academic and research institutions. And this branch has gained heights in the past 10 years as companies want to increase worker productivity as well as bring down the downtime as well as various injury claims related to the job. And we know this branch as "ergonomics".
because it's a good thing
Answer:
li=list(map(str,input().strip().split()))#taking input of the string.
#swapping first and last element.
temp=li[0]
li[0]=li[-1]
li[-1]=temp
print(li)#printing the list.
Explanation:
I have taken the list li for taking the input of strings.Then after that swapping first and last element of the list.Then printing the list.