requiring a great deal of work, especially physical and manual effort

Английский Язык - Английский Язык

Определение requiring a great deal of work, especially physical and manual effort в Английский Язык Английский Язык словарь

labor-intensive

Picking beans is a very labor-intensive activity, there's no machine made that can do it.

Расстановка переносов

re·quir·ing a great deal of work, es·pe·cial·ly phys·i·cal and ma·nu·al ef·fort