CEO - Chief Executive Officer - They are the head of management for an organization. They report to the board of directors. COO - Chief Operating Officer - This person is responsible for the day to day operations or an organization. Not all companies have one.This person could be thought of as the second in command behind the Chairman or CEO.
1 Lie detector tests conducted by certified professionals typically cost $200-$2,000. 2  The length of the test plays a factor in the price, with all-day tests on the high end of the range. 3  Typical two-hour, single-issue polygraph exams are generally $200-$800.ie detector tests, also called polygraph tests, are used to determine whether a person is telling the truth. According to the American Polygraph Association, research has shown standard lie detector tests are 80%-98% accurate.
You can get a smoke detector for as little as $7. And while they cost very little, smoke dÂ­etectors save thousands of lives each year. In fact,it is recommended that every home have one smoke detector per floor.All smoke detectors consist of two basic parts: a sensor to sense the smoke and a very loud electronic horn to wake people up. Smoke detectors can run off of a 9-volt battery or 120-volt house current.In this article, we will examine the two most common types of smoke detectors used today: photoelectric detectors and ionization detectors. And, we'll also take a look inside an ionization detector. Let's start with photoelectric detectors.moke detectors can run off of a 9-volt battery or 120-volt house current. In this article, we will examine the two most common types of smoke detectors used today: photoelectric detectors and ionization detectors. And, we'll also take a look inside an ionization detector.