what is it called when they wrap a string around the top of your tooth and push it under the gum line before doing an impression

Who invented the tv .hint it was 2 people

What best describes a career pathway in a lodging career? a worker starts out as an amusement attendant, then becomes a recreation worker, and then becomes a gaming worker within five years. a worker starts out as a bell hop, then becomes a night clerk, and then becomes a hotel manager within five years. a worker starting out as a tour guide, then becomes a travel clerk, and then becomes a travel agent within five years. a worker starts out as a server, then becomes a food preparer, and then becomes a head chef within five years.

Acase study allows a more detailed look at the life of a single subject than any other study.