This allows the Shaman to use the spirit as a mobile source of aid, able to be moved to where it is most useful.
Sounds created by mobile sources, such as aircraft, cars, trucks and boats, are also excluded.
"Most of it comes from mobile sources: cars," she said.
Nationwide, mobile sources represent the largest contributor to air toxics.
Many companies that provide traffic monitoring data do something similar, either using phones or other dedicated mobile sources.
There are a number of different pollutants that are emitted by mobile sources.
These compounds are emitted by mobile sources, mostly due to the chemical nature of the fuel source.
Federal, state, and local governments utilize a wide range of policy instruments to control pollution from mobile sources.
Thankfully, batteries provide us with a mobile source of power that makes many modern conveniences possible.
He is a mobile source of, and a target for, information.