Some form of non-injurious deterrence has been suggested by beleaguered fishermen, but this would be experimental at best.
Although non-injurious to fish when applied at the recommended rate, an herbicide application can still contribute to a fish kill.
These must be used sparingly, reluctantly, after the noninjurious options have been tried.
When faced with a condition that is unfamiliar, a teacher must be open to feedback from the student in order to find poses and that are helpful and non-injurious.
One of the issues posed by this case is whether reverse stereotypes based on age are sufficiently reliable and non-injurious to justify their use.