In the modern times the increasing rhythms of growth of society impose always in architecture the coverage of more needs for the conditions of viability in the working place of each individual.

One of the decisive factors for the operation of an individual are the conditions of lighting in his labor space. This inquiring, studies the conditions of lighting and the way they influence the output and the attitude of individual in his labor space and it focuses in the planning of a “flexible” lighting for industrial use which per all moment can cover this needs.

More sententiously are studied the nature of light, the operations of human optical system and the effects of light in the output and the psychology of individual, the beginnings of planning of lightings and finally in the planning of an industrial lighting.