Imagine that you are in the laboratory and one of the devices begins to burn, due to an electrical failure. Indicate what actions you would take, in order, and what you would do if they failed

It took me time but I finally figured out

if you're asking what comes out, it's steam.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).