A small-sized surface boat is configured such that a seat extending in the fore-and-aft direction is mounted on the center of a deck that constitutes an upper surface of a hull. The nonvolatile trap charge element is an insulator located under a control gate and above an oxide on the surface of a semiconductor substrate. The associated object preferably comprises a sponsored object, generating a subsidy or revenue. A control unit determines the current position and moving direction on the basis of the information on the at least one RFID tag and the information on the reception strength provided from the RFID reader. The nonaqueous solvent comprises ethylene carbonate; and at least one solvent selected from the group consisting of dimethyl carbonate, ethylmethyl carbonate, diethyl carbonate, ethylpropyl carbonate, ethyl butyl carbonate, and dipropyl carbonate. The present invention enables a user to easily introduce very heavy, dense, strong particles into a liquid coating and allows the user to apply very dense, heavy particles into and onto a wet bonding material layer followed by a subsequent wet topcoat layer which is cured as one contiguous material with reinforcement and underlayment strengthening coming from the added, dry particles.