After watching big crowds gather around the country at stores for various "Black Friday" sales on the day after Thanksgiving, the federal government has now issued "Crowd Management Safety Guidelines" for retailers, to help "avoid injuries during the holiday shopping season."

"The busy shopping season should not put retail workers at risk of being injured or killed," said Dr. David Michaels of the Occupational Safety and Health Administration.

The document issued by OSHA urges advance planning, pre-event setup and security choices during the sales event to try to reduce the possibility of surging crowds.

Here's the rundown of what OSHA recommends:

After watching big crowds gather around the country at stores for various "Black Friday" sales on the day after Thanksgiving, the federal government has now issued "Crowd Management Safety Guidelines" for retailers, to help "avoid injuries during the holiday shopping season." "The busy shopping season should not put retail workers ...