It depends on what you want them to do. There are some that run stores and others that help with special jobs. A lot of them still help with evacuations these days. As for how they work... I'm not really sure. All I really know is how to use one on the job and keep them charged. I'd have to ask a friend for more details.
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There are some that run stores and others that help with special jobs. A lot of them still help with evacuations these days.
As for how they work... I'm not really sure.
All I really know is how to use one on the job and keep them charged.
I'd have to ask a friend for more details.