A general principal: integrity.
In this activity, psychologists are honest, fair, and respectful of others. In describing or reporting their qualifications, services, products, fees, research, or teaching, they don’t make false statements. Psychologists strive to be aware of their own belief systems and the effect of these on their work.
Comparison to other rocks
Answer:
Some chemicals which cause a chemical burn are strong acids, drain cleaners, paint thinner and gasoline.
To make sure its clean so when they reuse the needle it doesn't give the next guy aids before killing him.<span />
