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A white-noise back-up beeper provides a less disruptive alert than the original pure-tone alert. A back-up beeper, also known as back-up alarm or vehicle motion alarm, is a device intended to warn passers-by of a vehicle moving in reverse. Some models produce pure tone beeps at about 1000 Hz and 97-112 decibels. [1]
The FAA also pursues a program of aircraft noise control in cooperation with the aviation community. [14] The Federal Highway Administration (FHWA) developed noise regulations to control highway noise as required by the Federal-Aid Highway Act of 1970. The regulations requires promulgation of traffic noise-level criteria for various land use ...
Many modern fire alarm pull stations are single-action and only require the user to pull down a handle to sound the alarm. Other fire alarm pull stations are dual-action, and as such require the user to perform a second task before pulling down, such as lifting or pushing in a panel on the station or breaking a glass panel with an attached hammer.
LCR – local control room; LCV – level control valve; L/D – lay down (such as tubing or rods) LD – lay down (such as tubing or rods) LDAR – leak detection and repair; LDHI – low-dosage hydrate inhibitor; LDL – litho density log; LDS – leak detection system (pipeline monitoring) LDTEP – LDT EPT gamma ray log; LEAKL – leak ...
A typical propane gas gun bird scarer Propane Cannon in action in a corn field. Note that the cannon rotates with each blast, thereby directing the sound to different portions of the surrounding area. Propane scare cannons are one of the most common types of bird scarer available in Europe and America.
Relatives and others, including pilot Zoey Tur, use a helicopter to search for a man needing a kidney transplant in a large RV campsite. "Furnace Fire" June 21, 1988 Calhan, Colorado: A man's furnace develops a propane leak and explodes when he tries to light it, severely burning him and his two children. "Swamp Save" August 11, 1988
A beep is a short, single tone, typically high-pitched, generally made by a computer or other machine. The term has its origin in onomatopoeia. The word "beep-beep" is recorded for the noise of a car horn in 1929, and the modern usage of "beep" for a high-pitched tone is attributed to Arthur C. Clarke in 1951. [1]
"Twenty-two years is a long time to keep track of the magic and the madness." [ 1 ] This Is the Noise That Keeps Me Awake was available to pre-order in several formats. The limited edition bundle includes a hardcover copy of the book, a custom collectable box and a 12-inch vinyl extended play featuring six previously unreleased live recordings ...