Time is Money: Golden Age of TimekeepingThe terms AM and PM appeared first in Northern Europe, at the beginning of what would become a full-fledged industrial revolution. Farmers, long tuned to the natural timekeeping of the sun, abandoned their fields to find work in urban areas.
breaking stress. The stress required to fracture a material whether by compression, tension, or shear. breaking stress. The stress at which a component ruptures under a tensile force.
How to break the cycle. Stress can manifest itself in a range of symptoms and ultimately make you or your staff very ill. Symptoms to watch out for include headaches, irritability and forgetfulness.