A process is provided for effectively removing by-products such as oligomers contained within a crude resin for an electronic material, thus producing a resin for an electronic material. The second one of the at least two devices having an IEEE 1588 precision time protocol interface, the interface including one or more components configured for communications in both a wired manner and a wireless manner with the first one of the at least two devices. The meeting participants who are not presenters may not view or interact with this presentation canvas or any of the objects located thereon. A detector is either capacitively coupled to the isolated node or connected by a direct current connection. The wheel is particularly intended as a wheel for a roller skate.