Meaning of 適切 in Japanese

His remarks on the subjects are much to the point.

It came in a handsome wooden box and contained a rack for test tubes, glass bottles of powerful powders, a little packet of sensitive paper (litmus, I think), a glass rod, the manual and suitably exciting poison labels.

He needs proper medical attention at a hospital.

The machine broke because he had not looked after it properly.

For this design house it was an appropriate strategy to introduce even more radical colors into computer production.

I think this is a case in point.

This is a good exercise to help you lose weight.

I believe this is a case in point.

That was not at all an appropriate remark.

"Performed" is the right word.