It documents lengths widths, thicknesses etc. of body parts, to assist in the design of workstations, tools and equipment, and protective clothing, for the comfortable accommodation of workers. The data are available for both males and females in each of these population sizes. In addition, separate specific data should be used when designing for disabled users. It is essential to provide lighting levels in a work environment that are appropriate for the type of tasks to be carried out. More lighting is not better.
Level can be measured with a light meter and the most widely used measurement currently is the lux.
The monitor should be positioned to reduce bad postures, eye strain and reflection on the screen. Whenever reading information from a screen the natural angle for eyes to look is 15-30 degrees below the horizontal line of sight, and so the monitor should be located within this area. In an attempt to reduce glare, all sources of light should be located at 90 degrees to the workstation, avoiding light that is directly behind or in front of the monitor. The chair should have some basic features of adjustability which allow the chair position to be modified to suit the individual worker. It is also important that a user knows how to adjust the chair specifically for their own use.