Communication is the ability to convey one’s intentions, ideas, and facts to others. This sounds like an easy thing to do, but it isn’t. How many times a day does a parent say, “These kids just don’t listen”? How many times a day does a teacher, boss, spouse, or member of the clergy say the same thing? I believe that …

Maintain the machine because it is the best addition to your home. A robotic cleaner, also referred to as Robo-vac, is an autonomous compact vacuum cleaner with sensors, robotic drives, and a programmed system to follow when cleaning. It moves and performs automatically. It can clean tiles, carpets, hardwood floors of dirt as well as other debris. It can be …

Government regulations have succeeded in both reducing total emissions from highway vehicles (and other sources) and improving air quality. For example, highway vehicle emissions of volatile organic compounds dropped by 45 percent and carbon monoxide (CO) by 32 percent between 1980 and 1993. During the same period, nitrogen oxide highway vehicle emissions dropped by 15 percent. Ozone air quality standards …