Thousands of hours of work went into this study, and the motive behind it was not to sell anything. (paulmerriman.com)
Most of us put in hundreds of hours of work each year to earn most of our money. (us.etrade.com)
However, the number of hours of working in a classroom before being certified dropped from 100 to 40 hours under the plan passed earlier this week. (dnainfo.com)