14 The wires have been tested in occlusoapical orientation beneath masses used over the width (larger side) from the rectangular wires. The wires had been tested in faciolingual orientation below loads applied within the thickness (more compact aspect) in the rectangular wire. A linear variable displacement transducer (LVDT design 2600-1063, https://rectangularsteelwire36791.blogpixi.com/33486118/details-fiction-and-orthodontic-steel-wire