Sound control treatments such as cork, fabric, and fiberglass incorporated into ceiling tiles, wall coverings, and panel dividers absorb the noise. Sound systems that mask noise while providing a background sound are now used in office environments. Music appears to be controversial in the office environment because of preferences in types of music. Lighting Lighting is another important consideration in an ergonomically correct office. Foot-candles and lumens are units used to measure the quantity of light and the flow of light.
Fluorescent lighting is preferred to incandescent lighting.
Fluorescent lighting is more economical and produces less heat and glare. Overhead and workstation lighting and task lighting, installed in the workstation are both used. One of the greatest challenges in properly illuminating the contemporary working environment is posed by the video display terminal. Personal computers have literally flooded office buildings and yet the lighting systems in these office buildings are the same as before computers appeared. It is incorrect to assume that the existing lighting systems are adequate for working with computers.