14 The wires were being tested in occlusoapical orientation underneath loads applied over the width (greater facet) of your rectangular wires. The wires were being analyzed in faciolingual orientation below masses used about the thickness (more compact facet) of the rectangular wire. A linear variable displacement transducer (LVDT model 2600-1063, https://emiliovqjca.bloguetechno.com/facts-about-niti-wires-revealed-68411141