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.
The True Cost of Employee Training Programs. June 2, 2015 8:00 AM. According to the Association for Talent Developmentâs 2014 State of the Industry Report, organizations spend an average of $1,208 per employee on training and development. For companies with fewer than 500 workers, that number is even higher, coming in at $1,888 per employee.