Observers from Earth can see two types of eclipses â eclipses of the Sun (solar eclipses), and eclipses of the Moon (lunar eclipses). These occur when the Sun, Earth and Moon align in a straight or almost straight configuration.
The Tehran Research Reactor (TRR) is a 5 megawatt-thermal (MWth) pool-type light water research reactor. The United States supplied the TRR to Iran in 1967 and weapon-grade uranium fuel for the reactor.The International Atomic Energy Agency (IAEA) inspects this reactor.ithout notifying the IAEA Iran irradiated uranium oxide (UO2) targets in the TRR and separated plutonium in glove boxes at Tehran Nuclear Research Center (TNRC) laboratories. Iran also admitted to producing small amounts of polonium-210 in the TRR in the early 1990s through the irradiation of bismuth targets.
1 TRR's work is based on the redundancy agreement between unions in PTK and employer associations in the Confederation of Swedish Industry. 2  A fee of 0,3 per cent of the company's payroll funds our services.ur goal is to try and make sure the time from one job to another should be as short, effective and as meaningful as possible. 1  TRR's mission is to create successful change in its affiliated companies and for their employees.