Wood

ERGONOMICS:

the study of people's efficiency in their working environment.

ANTHROPOMETRICS

anthropometry, especially as it relates to the design                                                                                        of furniture and machinery.

social studies

I believe that  students are addicted to their phone

The reason I believe students are addicted to their phone, because most of the students in my class cheek their phone every 4-5 minuets every period.

these examples prove that When you are a student in my class you will see most of the girls cheeking their phone every 1-2 mins or for even the whole period.

via GIPHY
via GIPHY