Archelaus (philosopher) Archelaus (philosopher) Archelaus (; ; fl. 5th century BCE) was an Ancient Greek philosopher, a pupil of Anaxagoras, and may have been a teacher of Socrates. He asserted that the principle of motion was the separation of hot from cold, from which he endeavoured to explain the formation of the Earth and the creation of animals and humans. Archelaus was a philosopher of the Ionian School, called "Physicus" from having been the first to teach natural philosophy at Athens. This statement of Diogenes Laërtius, is contradicted by Clement of Alexandria, but the two may be reconciled by supposing that Archelaus
Tub (container) placed on. Some tubs have a Tamper-evident band or "security strip" to indicate premature opening. Several types of latches and means of lid attachment are available. Both the body and lid of a tub can be printed or have attached labels. Tub (container) A tub is an open top circular or oblong container. It may have a separate or attached snap-on lid or cover; some tubs may have latched lids. Tubs are used for a variety of packaging applications as well as household and industrial storage. Many tubs are made of formed thermoplastics such as PET polyester, polystyrene, or polypropylene,