Other Modern Usages
The basic Petra Sancta system was adopted in the modern world by industrial engineers as a standard system of colors and hatch patterns for use in planning factories and material handling systems.
Read more about this topic: Hatching System
Famous quotes containing the word modern:
“Let us be aware that while they preach the supremacy of the state, declare its omnipotence over individual man, and predict its eventual domination of all peoples of the earth—they are the focus of evil in the modern world.”
—Ronald Reagan (b. 1911)