Abstract: A ride is formed comprising a channel forming a closed loop. The channel is able to receive water. Wave forming means are provided operable to create a wave, when the channel contains water, such that the wave will progress around the channel. The wave is of sufficient size to enable aquatic pastimes to be performed on the wave.

Abstract: A ride is formed comprising a channel forming a closed loop. The channel is able to receive water. Wave forming means are provided operable to create a wave, when the channel contains water, such that the wave will progress around the channel. The wave is of sufficient size to enable aquatic pastimes to be performed on the wave.

Abstract: A ride is formed comprising a channel forming a closed loop. The channel is able to receive water. Wave forming means are provided operable to create a wave, when the channel contains water, such that the wave will progress around the channel. The wave is of sufficient size to enable aquatic pastimes to be performed on the wave.

Abstract: The invention comprises a blank for an envelope including a front panel, a rear panel and a closure panel, the closure panel being connectable in use to the front panel, the blank having two gluing areas by which the closure panel may be connected to the front panel in use. A removable strip is provided between the gluing areas, the removable strip being of sufficient dimensions to receive indicia associated with a first mailing thereon, at least some of which indicia are removed when the envelope is opened by removing the removable strip after the first mailing. The envelope may also have a second removable area. The removable strip may be wide enough to reveal a response indicia imprinted on the first panel.

Abstract: A ride is formed comprising a channel forming a closed loop. The channel is able to receive water. Wave forming means are provided operable to create a wave, when the channel contains water, such that the wave will progress around the channel. The wave is of sufficient size to enable aquatic pastimes to be performed on the wave.

Abstract: A method of filling an envelope (5), a method of processing mail and blank for an envelope (5) are provided which utilise a two use envelope (5). The envelope (5) has a tear strip (8) on the sealing flap (7) which enables the envelope (5) to be opened and resealed for the second use. Filling of the envelope (5) is through an opening at the bottom of the envelope (5) with respect to the address information (2) when in the correct orientation for optical or machine reading.