With these primitive arrangements, all of them had to be satisfied.

Some retain their old primitive arrangements, while others enjoy the luxury of electric lighting.

And that is why it has no provisions for eating and breathing; it doesn't need such primitive arrangements.

Used to regulated, heat inducted sachets, he was always impressed by the cuisine she produced from such primitive arrangements.

It clearly follows that there must be 24 × 24 = 576 ways of combining the two primitive arrangements.