Zetta- the 6th letter of the modern and classical Greek alphabet, denotes a value of seven (7) when used as a numeral. Examples: Zetta- Zetta is a decimal unit prefix in the metric system denoting a factor of 10 or . The prefix was added as an SI prefix to the International System of Units (SI) in 1991 and has the symbol Z. Zetta is evocative of the Latin numeral , meaning "seven". Therefore it was used to denote the seventh power of 1000. A prefix of the same value, "hepta", was informally introduced a few years before the promulgation of
RS Tera and light, meaning it is possible to transport on a roof rack, and that it is manageable on the water by younger children. The mast comes in two pieces, and the boom is padded. Furthermore, the RS Tera can be rowed and has oarlocks. Built with a Comptec PE3 hull, the RS Tera has been described to have a modern look. The RS Tera is available in 2 specifications: RS Tera Sport and RS Tera Pro. The RS Tera Sport is designed with beginners and training centres in mind while the RS Tera Pro is more suitable to older, more