The science of adjusting environments, tasks, or procedures to fit the individual is ERGONOMICS. In other words, it is also defined as the study of a worker's efficiency in a workplace and how this efficiency can be improved together with the well-being of the worker.
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The same can be said regarding domestic goods; they made fine luxury ... The first traders to sail down the West African coast were the Portuguese in the 15th century. ... The nature of slavery in West Africa before Europeans ... invented the cotton gin which made the production of cotton more profitable.
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