It is! D Complete the summary.
to use a computer if you follow the rules,
You shouldn't sit too
to the screen. You should rest
your
on something, keep your elbows at the same
as the keyboard, and stop often to
You should
with your back
2
straight. Your
wrists, hands and thighs should be
to the floor
5

yubloh    3   18.08.2020 18:10    0