Why Ergonomics?

• To reduce the accidents

• To reduce injury

• To reduce health risk

• To reduce sleepiness

In Ergonomics, each worker is unique in their:

• Size and Shape

• Age and Gender

• Race and Language

• Experience

• Dreams

What is an ideal office?

• Head up

• Shoulder relaxed

• Footrest

• Monitor is above eye height

Ergonomics (or human factors) is the scientific discipline concerned with the understanding of interactions among humans and other elements of a system, and the profession that applies theory, principles, data and methods to design in order to optimize human well-being and overall system performance. This is according to.

• IEA

• IAE

• IEO

• IOE

The amount of energy a light emits per second, measured in lumens (lm).

• Intensity of Light

• Flux

• Illuminance

• Luminance

It is a unit of luminous intensity of a light source in a definitive direction.

• Flux

• Intensity of Light

• Illuminance

• Luminance

The amount of luminous flux per unit area.

• Intensity of Light

• Flux

• Illuminance

• luminance

A name given for a unit of luminance

• Not

• Nite

• Nit

• Nigt

You can think of it as the total amount of light emitted from a light bulb.

• Radiant Flux/Power

• Radiant Intensity

• Irradiance

• Radiance

The amount of flux emitted through a known solid angle.

• Radiant Flux/Power

• Radiant Intensity

• Irradiance

• Radiance