This technology is even simpler to explain. RF is a kind of electric current that travels back and forth in different directions. It can be applied in such a way that it travels through your entire body from one side and out the other or between a 10mm gap using a small hand piece, just along the surface of your skin.
Lesson Summary. A post and lintel is an architectural system where a horizontal piece is supported by two vertical posts, or columns. This is a basic form of architecture that has been used since ancient times, but the Egyptians used it for monumental architecture, or buildings that are massive in size and scale.
trestle table - a table supported on trestles. 1  table - a piece of furniture having a smooth flat top that is usually supported by one or more vertical legs; it was a sturdy table. 2  trestle - sawhorses used in pairs to support a horizontal tabletop.