The invention relates to novel oxazolidinones their derivatives, pharmaceutically acceptable salts, solvates, and hydrates thereof. The method includes determining a second estimate value for at least one second entity identified as a peer of the first entity. Data received by the remote electronic device’s communication interface or peripheral device is written to the peripheral device at the remote electronic device by a virtual device object. The stiffened mandrel allows for the manufacture of a composite tubular without undesirable flexing, wrinkling, or contamination of the uncured composite.