Only at that time did it come to light that the treaty was unbreakable in international law.
The cells are of precisely the same dimensions as the other cells, the chief difference being that the windows are unbreakable.
But it works well because it is not unchangeable: the principle is not absolute and unbreakable.
The will to streamline the legislative framework must be perceived as a duty and an unbreakable commitment.
That is an absolute and 100 per cent unbreakable law of physics.
It can be stretched and stretched, and it is virtually unbreakable.
The sticks when divided were broken; together they were unbreakable.
Even the most solid things which might be thought to be almost unbreakable seem to be damaged by these people.