What would be one way to avoid static electricity? A) Dry cotton fabrics and synthetic fabrics separately. B) Run a metal clothes hanger across your dry hair. C) Use a blow dryer to dry your hair D) Wear shoes with rubber soles.

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.