All work is of equal value, so we can't look down upon those manual workers.

所有工作都有同等价值，所以我们不能歧视体力劳动者。

Manual work is needed here.

这里就需要手动操作。

Some cases still require manual work.

有些案例仍然需要手工工作。

Manual work is very tiring.

手工活是很累的。

Women who do manual work have easy delivery.

从事体力劳动的女性分娩容易。