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Malaysian Public Works Department. The Malaysian Public Works Department; Malay: Jabatan Kerja Raya Malaysia (JKR) is the federal government department in Malaysia under Ministry of Works Malaysia (MOW) which is responsible for construction and maintenance of public infrastructure in West Malaysia and Labuan.
Kerja Tahun. Traditional Karo rice barn, c. 1910–1930. Kerja Tahun, or Merdang Merdem, is a week-long annual festival held by the Karo people of North Sumatra to celebrate the rice-planting. 'Kerja' in this sense is a Karo word meaning 'party', and not the Indonesian 'kerja', which means work. [1]
David's Sling Stunner missile launch during tests, 2015. David's Sling (Hebrew: קלע דוד, romanized: Kela David), also formerly known as Magic Wand (Hebrew: שרביט קסמים, romanized: Sharvit Ksamim), is an Israel Defense Forces military system jointly developed by the Israeli defense contractor Rafael Advanced Defense Systems and the American defense contractor Raytheon, that ...
Main article: Light-emitting diode physics. In a light-emitting diode, the recombination of electrons and electron holes in a semiconductor produces light (be it infrared, visible or UV), a process called " electroluminescence ". The wavelength of the light depends on the energy band gap of the semiconductors used.