Modern computers use in side a memory board to store info but back then you would use flappy disks
The answer is : Ergonomics. This improvement process removes risk factors that lead to injuries and allows for improved human performance and productivity. Applying ergonomic solutions can make employees more comfortable and increase productivity. It is important because when doing a job and our body is stressed by an awkward posture, extreme temperature, or repeated movement your musculoskeletal system is affected.
Answer:
they arent made to Express emotion? can you be a little more specific with the question?
