Switch off the machine. Then close the lid.

This is a reasonable example.

'Then' is a conjunction, but the two statements are separated for emphasis.

It could also be written 'Next close the lid.

The statements could be written (with less emphasis)

Switch off the machine, then close the lid.

Relax and pass those tests!

Get access outside school.

Best learning music in the world - ever!

Let us know your comments.