Stars leave the main sequence when they stop burning hydrogen.

BBC: Date set for desert Earth

And so the sequence of how we're approaching this is as follows: Our immediate job is to stop the downward spiral, and that means putting money into consumers' pockets, it means loosening up credit, it means putting forward investments that not only employ people immediately but also lay the groundwork for long-term economic growth.

WHITEHOUSE: Presidential Press Conference

In addition to the engagement sequence, front rows cannot engage with their head and shoulders lower than their hips in a bid to stop collapsed scrums.

BBC: New scrummaging law takes force