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.
A postscript is text added at the end of a book or other document. Your textbook is so long that by the time you finish it, you're too exhausted to read the postscript. Postscript comes from the Latin word postscribere, with post meaning after and scribere meaning to write. A postscript especially refers to a note added after the signature of a letter. In this use, it's often abbreviated as P.S. A mother's favorite thing might be getting a letter from her kid at camp that says, I love you, Mom, especially if there is a postscript adding hugs and kisses, written this way: P.S.