Wood products, specifically wood commonly used in construction including dimension lumber, pressure treated pine, composite wood materials such as plywood, particle board, and wafer board, and samples of paper and fabric were variously treated with concentrations of sodium silicate also known as water glass. The retractor is adapted to engage a base of a head of a pedicle screw. This surgical assembly may employ a shunt circuit between its power and return lines for providing in effect a voltage limitation andor to allow a constant power electrosurgical generator to execute an at least substantially constant voltage electrosurgical technique. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 33T56 through backcross conversion andor transformation, and to the maize seed, plant and plant part produced thereby. The light engine comprises at least one solid state light emitter, and is positioned within the trim element internal space. A biasing member is supported by the locking member.