Читайте также:
|
a Consistent chair support for the lower back. Seat height and angle adjustable.
b Feet flat on the floor.
c Document holder beside the screen, at the same height and distance as the screen.
d Text on the screen in line with the eyes. Viewing distance at arm’s length.
e Thighs horizontal, with feet on the floor. Adequate room for legs beneath the desk.
f Keyboard height at a comfortable open angle for the elbows and arms.
g Wrists and hands in a neutral position, in line with the forearms. Optional rest for wrists at the same height as the keyboard.
5. Imagine you are designing an ICT (Information and Communications Technology) classroom. What safety precautions should be taken into account?
| Room conditions (space, desk, chairs, lights and windows) | Ergonomic devices | Electrical safety (cables, connectors) | Noticeboards (safety recommendations) |
| …………….… | …………….. | …………….… | ………….… |
Дата добавления: 2015-07-11; просмотров: 299 | Нарушение авторских прав