By increasing productivity, and working in a stress-free zone are two great factors. Creating an environment that is stress-free with employees who work well together shows the point of view as to a healthy work area as well as healthy employees
basically by selling the relationship of their employees
The first line says "secure", which rhymes with the word "sure" (this is at the end of the second line). The word at the end of the third line is "keeps", which rhymes with the word of the forth line, "sleeps".
Hope this is what you're looking ford!:D