Lumberjacks perform strenuous labor in hostile environments, and the work is often intermittent and low-paying.
It is used in a wide range of military missions, even operating from unpaved runways and in hostile environments.
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It also did so after enduring 50 cycles in one of the most hostile environments known on the planet: a domestic washing machine.
The Black Hawk is the US's most important combat helicopter, designed to move quickly into hostile environments and deliver or collect troops and armaments.
Paxman says he would wake up several times a night with severe nightmares about incidents he was involved in through his military history and working in hostile environments.
As astrobiologists dig and scrape in amongst the microbial inhabitants of Earth's most hostile environments to understand the possibility of life elsewhere, they learn things that have economic uses.
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Understanding that mechanism gave scientists a chance to harness it, said Dr Clarke, and use it as a power source in places and for devices and processes in inaccessible or hostile environments.
"If you are on the Niger delta, you have armed bodyguards, you won't let your people go out on their own, or they live in a guarded compound, " says one security analyst with nine years experience working in hostile environments with private security firms.
More realistically, however, Germany and France are already seen as hostile business environments because of their high labour costs and taxes, and their rigid markets.
"Hostile work environments, threats, bullying can come from anywhere, " he said.
The reasons the study sites are: no clear career paths, few role models, hostile work environments, isolation, unequal reward systems, extreme work pressures and lack of sponsorship and mentors.
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