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Davidkit
22.01.2025The survivors of recent crashes were sitting at the back of the plane. What does that tell us about airplane safety?
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Look at the photos of the two fatal air crashes of the last two weeks, and amid the horror and the anguish, one thought might come to mind for frequent flyers.
The old frequent-flyer adage is that sitting at the back of the plane is a safer place to be than at the front — and the wreckage of both Azerbaijan Airlines flight 8243 and Jeju Air flight 2216 seem to bear that out.
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The 29 survivors of the Azeri crash were all sitting at the back of the plane, which split into two, leaving the rear half largely intact. The sole survivors of the South Korean crash, meanwhile, were the two flight attendants in their jumpseats in the very tail of the plane.
So is that old adage — and the dark humor jokes about first and business class seats being good until there’s a problem with the plane — right after all?
In 2015, TIME Magazine reporters wrote that they had combed through the records of all US plane crashes with both fatalities and survivors from 1985 to 2000, and found in a meta-analysis that seats in the back third of the aircraft had a 32% fatality rate overall, compared with 38% in the front third and 39% in the middle third.
Even better, they found, were middle seats in that back third of the cabin, with a 28% fatality rate. The “worst” seats were aisles in the middle third of the aircraft, with a 44% fatality rate.
But does that still hold true in 2024?
According to aviation safety experts, it’s an old wives’ tale.
“There isn’t any data that shows a correlation of seating to survivability,” says Hassan Shahidi, president of the Flight Safety Foundation. “Every accident is different.”
“If we’re talking about a fatal crash, then there is almost no difference where one sits,” says Cheng-Lung Wu, associate professor at the School of Aviation of the University of New South Wales, Sydney.
Ed Galea, professor of fire safety engineering at London’s University of Greenwich, who has conducted landmark studies on plane crash evacuations, warns, “There is no magic safest seat.”
GeorgeFIBIA
22.01.2025Scientists have identified an estimated 10% of all species on Earth. Here’s what they found in 2024
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A toothy toadstool. A vegetarian piranha with a distinctive mark. And a pygmy pipehorse floating in the Indian Ocean shallows.
These wild wonders were among the hundreds of previously unknown species of animals, plants and fungi that scientists named and described for the first time in 2024, expanding our surprisingly limited knowledge of Earth’s diversity.
“Scientists estimate that we’ve identified only one-tenth of all species on Earth,” said Dr.
Shannon Bennett, chief of science at the California Academy of Sciences, in a statement.
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“While it is critical to place protections on known threatened species, we must also allocate resources towards identifying unknown species that may be just as important to the functioning of an ecosystem,” Bennett said.
Researchers connected to the institution described 138 new species in 2024, including 32 fish. One standout was a pygmy pipehorse named Cylix nkosi. The seahorse relative was originally found in 2021 in the cool temperate waters surrounding the North Island of New Zealand, but the species described this year was discovered in the subtropical waters off South Africa, expanding the known range of this group to the Indian Ocean
“South African reefs present notoriously difficult diving conditions with rough weather and intense, choppy waves — we knew we only had one dive to find it,” underwater photographer and marine biologist Richard Smith said in a statement.
“This species is also quite cryptic, about the size of a golf tee, but luckily we spotted a female camouflaged against some sponges about a mile offshore on the sandy ocean floor.”
The researchers involved in describing the new species chose nkosi as its name. A reference to the local Zulu word for “chief,” the name reflects the species’ crown-like head shape and acknowledges South Africa’s KwaZulu-Natal province where it was found.
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22.01.2025Scientists have identified an estimated 10% of all species on Earth. Here’s what they found in 2024
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A toothy toadstool. A vegetarian piranha with a distinctive mark. And a pygmy pipehorse floating in the Indian Ocean shallows.
These wild wonders were among the hundreds of previously unknown species of animals, plants and fungi that scientists named and described for the first time in 2024, expanding our surprisingly limited knowledge of Earth’s diversity.
“Scientists estimate that we’ve identified only one-tenth of all species on Earth,” said Dr.
Shannon Bennett, chief of science at the California Academy of Sciences, in a statement.
https://kra26c.cc
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“While it is critical to place protections on known threatened species, we must also allocate resources towards identifying unknown species that may be just as important to the functioning of an ecosystem,” Bennett said.
Researchers connected to the institution described 138 new species in 2024, including 32 fish. One standout was a pygmy pipehorse named Cylix nkosi. The seahorse relative was originally found in 2021 in the cool temperate waters surrounding the North Island of New Zealand, but the species described this year was discovered in the subtropical waters off South Africa, expanding the known range of this group to the Indian Ocean
“South African reefs present notoriously difficult diving conditions with rough weather and intense, choppy waves — we knew we only had one dive to find it,” underwater photographer and marine biologist Richard Smith said in a statement.
“This species is also quite cryptic, about the size of a golf tee, but luckily we spotted a female camouflaged against some sponges about a mile offshore on the sandy ocean floor.”
The researchers involved in describing the new species chose nkosi as its name. A reference to the local Zulu word for “chief,” the name reflects the species’ crown-like head shape and acknowledges South Africa’s KwaZulu-Natal province where it was found.
Mosessuisa
22.01.2025The survivors of recent crashes were sitting at the back of the plane. What does that tell us about airplane safety?
<a href=https://kra26c.cc>kraken darknet</a>
Look at the photos of the two fatal air crashes of the last two weeks, and amid the horror and the anguish, one thought might come to mind for frequent flyers.
The old frequent-flyer adage is that sitting at the back of the plane is a safer place to be than at the front — and the wreckage of both Azerbaijan Airlines flight 8243 and Jeju Air flight 2216 seem to bear that out.
https://kra26c.cc
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The 29 survivors of the Azeri crash were all sitting at the back of the plane, which split into two, leaving the rear half largely intact. The sole survivors of the South Korean crash, meanwhile, were the two flight attendants in their jumpseats in the very tail of the plane.
So is that old adage — and the dark humor jokes about first and business class seats being good until there’s a problem with the plane — right after all?
In 2015, TIME Magazine reporters wrote that they had combed through the records of all US plane crashes with both fatalities and survivors from 1985 to 2000, and found in a meta-analysis that seats in the back third of the aircraft had a 32% fatality rate overall, compared with 38% in the front third and 39% in the middle third.
Even better, they found, were middle seats in that back third of the cabin, with a 28% fatality rate. The “worst” seats were aisles in the middle third of the aircraft, with a 44% fatality rate.
But does that still hold true in 2024?
According to aviation safety experts, it’s an old wives’ tale.
“There isn’t any data that shows a correlation of seating to survivability,” says Hassan Shahidi, president of the Flight Safety Foundation. “Every accident is different.”
“If we’re talking about a fatal crash, then there is almost no difference where one sits,” says Cheng-Lung Wu, associate professor at the School of Aviation of the University of New South Wales, Sydney.
Ed Galea, professor of fire safety engineering at London’s University of Greenwich, who has conducted landmark studies on plane crash evacuations, warns, “There is no magic safest seat.”
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RonaldOreks
22.01.2025Отказное письмо по системе сертификации это важный документ, который оформляется в подтверждение отсутствия обязательной сертификации на определенные товары. Правильное оформление отказного письма дает возможность избежать негодных проверок и упрощает процедуру ввоза или реализации товаров.
Какой-никакие товары требуют отказного письма
Существует ряд товаров, для которых нужно оформить отказное письмо по сертификации. К ним имеют отношения:
1. Товары, не подлежащие неотклонимой сертификации
Здесь изделия, не входящие в перечень товаров, подлежащих неотклонимой сертификации в строгом соответствии с действующим законодательством.
2. Продукты с низким риском для здоровья и безопасности
К примеру, это продукты питания, которые прошли предварительную проверку, или мебель из естественных материалов, которая не содержит вредных веществ.
3. Импортируемые товары
Если вы импортируете товары, которые выполняются вне России не входят в список неотклонимой сертификации, для вас следует оформить отказное письмо, чтоб подтвердить, что на их не распространяется неотклонимая сертификация.
Процесс дизайна отказного письма
Оформление отказного письма по системе сертификации просит соблюдения определенных шагов:
1. Сбор документов
Нужна подготовка всех документов, подтверждающих, что продукт не пригодно обязательной сертификации.
2. Заполнение формы отказного письма
В письме обязательно обязаны быть указаны название и описание продукта, причина отказа от системе сертификации и реквизиты организации <a href=https://vc.ru/u/4325201-elenafrol/1766512-na-kakie-tovary-nuzhno-oformit-otkaznoe-pismo-po-sertifikacii>https://vc.ru/u/4325201-elenafrol/1766512-na-kakie-tovary-nuzhno-oformit-otkaznoe-pismo-po-sertifikacii</a>
3. Подписание и отправка
После наполнения письмо обязано быть подписано уполномоченным лицом и ориентировано в соответствующий орган для получения доказательства.
Заключение
Оформление отказного письма по системе сертификации принципиальный шаг для упрощения процесса ввоза и реализации продуктов. Необходимо четко следовать установленной процедуре и учитывать все требования законодательства, чтобы избежать вероятных заморочек в дальнейшем.