Astrological sign of a sign are together sufficient to define it, they can be grouped to indicate their symbolism. The first four signs, Aries, Taurus, Gemini and Cancer, form the group of personal signs. The next four signs, Leo, Virgo, Libra and Scorpio form the group of interpersonal signs. The last four signs of the zodiac, Sagittarius, Capricorn, Aquarius and Pisces, form the group of transpersonal signs. Dane Rudhyar presented the tropical zodiac primary factors, used in the curriculum of the RASA School of Astrology. The tropical zodiac is the zodiac of seasonal factors as opposed to the sidereal zodiac (constellation factors).
Zodiac Milpro Rubber Raiding Craft used by the US Navy and others. Though Zodiac Milpro and Zodiac Nautic produce a large range of both inflatable and rigid-hulled boats, the name "Zodiac" has become synonymous with inflatable boats such as the FC470 Combat Rubber Raiding Craft and as a generic term for inflatable boat. The first inflatable boats were designed in 1920 by Zodiac, which produced its first prototypes for the army in 1934. In 1934, Zodiac engineer Pierre Debroutelle designed the prototype of an inflatable kayak. In 1937, interested in his research, the Naval Aviation commissioned him to develop a boat capable