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Hand signals are agreed gestures that people make with their hands or body to communicate in a non-verbal way. When used in traffic, hand signals are often used to convey driver's intention of their next movement. In some countries, hand signals can apply to any vehicle whose signal lights are missing or damaged.
There are many types of such equipment, from hand tools and power tools to tractors and the farm implements that they tow or operate. Machinery is used in both organic and nonorganic farming. Especially since the advent of mechanised agriculture , agricultural machinery is an indispensable part of how the world is fed.
A US Navy crewman signals the letter 'U' using flag semaphore during an underway replenishment exercise (2005). Flag semaphore (from the Ancient Greek σῆμα (sêma) 'sign' and - φέρω (-phero) '-bearer' [1]) is a semaphore system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands.
The regulations applies to the occupational health and safety within the territorial borders of Great Britain, also on offshore installations. [4] [5] [6] It does not apply to the marking of dangerous goods and substances itself, only its storage or pipes, nor the regulation of road, rail, inland waterway, sea or air traffic, nor to signs used aboard of sea-going ships. [1]
Canadian Rule Books contain all hand signals, voice signals and flag signals as well as fixed trackside signal indications necessary for operation. These rule books specify various methods of operation in both signaled territory and dark territory , where manual methods of granting track authority must be used.
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Even though represented as strings of letters, prosigns are rendered without the intercharacter commas or pauses that would occur between the letters shown, if the representation were (mistakenly) sent as a sequence of letters: In printed material describing their meaning and use, prosigns are shown either as a sequence of dots and dashes for the sound of a telegraph, or by an overlined ...
Signal word Background colour of panel Contrast colour Definition RGB Hex Example of Colour Low level of risk: CAUTION: Yellow: Black: RAL 1003 (per ISO 3864-4) #F9A900: Medium level of risk: WARNING: Orange: Black: RAL 2010, Munsell 2,5YR6/14G, or Munsell 5YR6/15G: #D05D29: High level of risk: DANGER: Red: White: RAL 3001 (per ISO 3864-4) #9B2423
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related to: hand signals for tractors and parts pdf notes template word