Also the excessive use of insecticides poses a threat to the great evening bats.
But in the long term, the increasing use of electricity poses a much broader problem.
He states that issue definition and the use of the jury pose major problems for this approach.
However, the use of mercury poses safety concerns, as it is a toxic substance.
The use of a laser also poses significant risks to the vision in what is otherwise a healthy eye.
The use of cocaine poses serious problems for the community and has a high potential for abuse.
Brazil's use of an integrated command poses some unique challenges to the government.
On the other hand, illegal use of forests poses serious environmental threats.
The use of civilians might pose greater security risks and would be more expensive, the officials said.
The use of available light may pose a challenge for a photographer.