English | Russian |
accident frequency rate | коэффициент промышленного травматизма |
accident rate | коэффициент промышленного травматизма |
on accident | случайно ("By design" is the opposite of "by accident", and both use the preposition "by." Prepositional expressions like this are idiomatic, but "on accident" is simply a mistake, however frequent. vocabulary.com Баян) |
on accident | нечаянно (Баян) |