Trench warfare and tactics evolved further in the Crimean War, the American Civil War and World War I, until systems of extensive main trenches, backup trenches (in case the first lines were overrun) and …

TRENCH definition: Richard Chenevix 1807–86, English clergyman and scholar, born in Ireland. See examples of Trench used in a sentence.

Definition of trench noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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5 days ago · The Mariana Trench is one of the planet's most mysterious areas, home to numerous strange discoveries, including unique animals and hydrothermal vents.

Dec 10, 2025 · Trench warfare is combat in which armies attack, counterattack, and defend from relatively permanent systems of trenches dug into the ground. Trench warfare is resorted to when …

Feb 23, 2024 · Overview about trench safety and provides resources to keep workers safe while working in trenches.

Trench warfare is a type of land warfare using occupied lines largely comprising military trenches, in which combatants are well-protected from the enemy's small arms fire and are substantially …

Deep-sea trench, any long, narrow, steep-sided depression in the ocean bottom in which occur the maximum oceanic depths, approximately 7,300 to more than 11,000 metres (24,000 to 36,000 feet). …

Aug 1, 2025 · In all, there were 13 trench-collapse deaths in 2024, according to OSHA and media reports – a decline from 15 in 2023 and 2022’s record 39 fatalities.

Trench collapses, or cave-ins, pose the greatest risk to workers' lives. To prevent cave-ins: SLOPE or bench trench walls SHORE trench walls with supports, or SHIELD trench walls with trench boxes …

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