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A drafting machine is a tool used in technical drawing, consisting of a pair of scales mounted to form a right angle on an articulated protractor head that allows an angular rotation. [ 1 ] [ 2 ] The protractor head (two scales and protractor mechanism) is able to move freely across the surface of the drawing board , sliding on two guides ...
Traditional drafter at work A drafter in Portugal in the 1970s, using a drafting machine. A drafter (also draughtsman / draughtswoman in British and Commonwealth English, draftsman / draftswoman, drafting technician, or CAD technician in American and Canadian English) is an engineering technician who makes detailed technical drawings or CAD designs for machinery, buildings, electronics ...
An Aetos auxiliary police officer stationed outside the Departure Hall of Terminal 2, Singapore Changi Airport. AETOS, [4] a member of the Surbana Jurong Group, is a leading unified security solutions provider based in Singapore. Established in 2004 following the strategic merger of three key Auxiliary Police forces, AETOS has more than 70 ...
Airport security includes the techniques and methods used in an attempt to protect passengers, staff, aircraft, and airport property from malicious harm, crime, terrorism, and other threats. Aviation security is a combination of measures and human and material resources in order to safeguard civil aviation against acts of unlawful interference ...
The APD was formed as the Airport Police Division on 1 November 1970 when the Singapore Police Force took on responsibility for airport security at Paya Lebar Airport. In 1981, airport operations - and the APD as well - moved to Changi Airport. In April 2000, APD shifted to a new police station to make way for the construction of Terminal 3. [4]
Singapore Changi Airport (/ ˈ tʃ ɑː ŋ i / CHAHNG-ee; IATA: SIN, ICAO: WSSS) is a major international airport that serves Singapore, and is one of the largest transportation hubs in Asia. More than 100 airlines operate from the airport, with flights to destinations in Asia, Oceania, Africa, Europe, the Middle East, and North America.
SATS Security Services Pte Ltd (SSS) [a] is a subsidiary of SATS Ltd, providing security services for aviation-related activities at Singapore Changi Airport. [3] It provides armed auxiliary police officers for mainly airline clients as an auxiliary police force under the Police Force Act 2004.
Various scales and the protractor are used to measure the lengths of lines and angles, allowing accurate scale drawing to be carried out. The compass is used to draw arcs and circles. A drawing board was used to hold the drawing media in place; later boards included drafting machines that sped the layout of straight lines and angles.