An acoustic piano usually has a protective wooden case surrounding the soundboard and metal strings, which are strung under great tension on a heavy metal frame. Pressing one or more keys on the piano's keyboard causes a padded hammer (typically padded with firm felt) to strike the strings. The hammer rebounds from the strings, and the strings continue to vibrate at their resonant frequency.
Dollars and Sense: The Cost of a Bad Hire. Hiring employees isn't cheap: On average, small business owners spend $1,872 to hire someone new, according to a study from the job search site Monster.
Hiring Decision Statistics. 1  The average cost of a bad hiring decision can equal 30% of the individualâs first-year potential earnings. 2  The successful arenât immune, and theyâve had to learn from their mistakes. 3  66% of employers said they experienced negative effects of bad hires in 2012.