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. Post-secondary education 10 "Singaporean" dishes uncommon in Singapore NEWater is the brand name given to ultra-pure water that is produced from reclaimed water Wastewater which is called used water in Singapore is treated in conventional advanced wastewater treatment plants that are called reclamation plants in Singapore The effluent from the reclamation plants is either discharged into the sea or it is further treated in NEWater plants using dual-membrane (via microfiltration and reverse osmosis) and ultraviolet technologies. Examples: Republic of Venice Republic of Genoa Republic of Amalfi Republic of Florence Duchy of Milan Papal States. . 9 See also Primary school (Children enter P1 upon the year they turn 7) Singapore has roughly 80 species of mammals (out of 11 different orders) including 45 species of bat and three species of non-human primates. Currently the only introduced species in Singapore is the variable squirrel the abundance of bats however has been decreasing rapidly due to a habitat loss of over 95%. Central Java capital: Semarang In July 2017 Ignatius Ong Ming Cho CEO of Firefly a subsidiary of Malaysia Airlines (MAS) and a respected member in the aviation community had raised the issue of an ILS which has not been in installed in Seletar to the Singapore civil aviation authority in which Firefly believed that the lack of an ILS impacted on Seletar airport's aim to be "a proper commercial airport" as the ILS will improve aviation safety and enhance operational efficiency of descending aircraft into the airport during poor weather night landing or adverse visibility. Ignatius Ong had represented Malaysia Airlines in Kuala Lumpur and Beijing as a leading member of the responsive MAS crisis management team that dealt directly with traumatised relatives of those in the missing Malaysia Airlines Flight 370.

Ptolemy also wrote an influential work Harmonics on music theory and the mathematics of music. After criticizing the approaches of his predecessors Ptolemy argued for basing musical intervals on mathematical ratios (in contrast to the followers of Aristoxenus and in agreement with the followers of Pythagoras) backed up by empirical observation (in contrast to the overly theoretical approach of the Pythagoreans) Ptolemy wrote about how musical notes could be translated into mathematical equations and vice versa in Harmonics This is called Pythagorean tuning because it was first discovered by Pythagoras However Pythagoras believed that the mathematics of music should be based on the specific ratio of 3:2 whereas Ptolemy merely believed that it should just generally involve tetrachords and octaves He presented his own divisions of the tetrachord and the octave which he derived with the help of a monochord His Harmonics never had the influence of his Almagest or Planetary Hypotheses but a part of it (Book III) did encourage Kepler in his own musings on the harmony of the world (Kepler Harmonice Mundi Appendix to Book V). Ptolemy's astronomical interests also appeared in a discussion of the "music of the spheres" See: Ptolemy's intense diatonic scale. Under this agreement Singapore is entitled to receive up to 250 million imperial gallons (1,100,000 m3) per day corresponding to 66% of its water use of 380 million imperial gallons (1,700,000 m3) in 2011 Furthermore under the 1990 agreement Singapore is entitled to buy an additional unspecified quantity of treated water from the Linggui dam in Malaysia at a price that is higher than under the previous agreement The actual amount of water imported is claimed to be lower than the entitlements However this cannot be verified from any official sources and should be considered untrue.