I always carry my own set of auto-injectors but it was heartening to know there was back up if necessary.
And see if there are any seamstresses in your area if you want a handmade creation; even if you think you can sew it alone, nerves can get the better of you and the knowledge that there is back-up in the event of errors or time running out is crucial.
There are back-up batteries that can power them for around three days if the solar energy systems do not function for any reason.
"This is good news because it suggests that there are back-up strategies within genomes, which are normally silent but are capable of taking over under certain circumstances," Professor Ward said.
The result is a robust system, in which there are back-ups both within and outside each module, ensuring that most plant species continue to be serviced even in the absence of their main mutualists.
It means that there should be back up.
We're back up there again.
Hopefully next week I'll be back up there," she said.
And there are many acts being backed up.
"The calls are backed up, and there is a waiting list," he said.
And there is no back up plan, it seems.
