The standard thin-flange Double Tee with composite topping, and the thick-flange. Double Tee, are used for moderately loaded applications, such as floors for most. warehouses, office buildings, schools, shopping malls and parking garages. Cast-in-. place concrete topping provides a smooth, level floor surface that serves as the. horizontal diaphragm.
âMerchants make money from running deals on Groupon as Groupon customers typically spend more than the value of a deal and 91% return or plan to return to the business. Plus, thereâs no upfront cost to sell on Grouponâwe donât make money until you make money.â.
Groupon was launched in November 2008. It grew out of another initiative called The Point, a website launched in November 2007 that lets you start a campaign asking people to give money or do something as a group â but only once a tipping point of people agree to participate. See Groupon's about page for more details: http://www.groupon.com/about.