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Six Sigma (6σ) is a set of techniques and tools for process improvement.It was introduced by American engineer Bill Smith while working at Motorola in 1986. [1] [2]Six Sigma strategies seek to improve manufacturing quality by identifying and removing the causes of defects and minimizing variability in manufacturing and business processes.
Betelgeuse is the brightest near-infrared source in the sky with a J band magnitude of −2.99; [95] only about 13% of the star's radiant energy is emitted as visible light. If human eyes were sensitive to radiation at all wavelengths, Betelgeuse would appear as the brightest star in the night sky.
Biryani (/ bɜːrˈjɑːni /) is a mixed rice dish, mainly popular in South Asia and Iran. It is made with rice, some type of meat (chicken, goat, lamb, beef, prawn, or fish) and spices. To cater to vegetarians, in some cases, it is prepared by substituting vegetables or paneer for the meat. [1] Sometimes eggs and/or potatoes are also added.