⟩ Tell me how many years experience do you have plumbing?
I have a national craft certificate in plumbing and pipe fitting which is done i 4 years.
I have a national craft certificate in plumbing and pipe fitting which is done i 4 years.
What are the benefits and how much important radio frequency energy is?
Do you know what is radiofrequency energy?
Do you know what is an epidemiological study?
Do you know Which biological effects associated with radiofrequency (RF) exposure are considered "established effects"?
Explain are there any epidemiological studies of RF exposure?
Do you know what is signal modulation?
Is it possible for different types of modulation to changebiological effects?
Do you know what is electromagnetic hypersensitivity (EHS)? And please explain!
Do you know how to established the radio frequency exposure limits?
Do you know what is the precautionary principle and when should it be used?