monitor and power supply
dragons doesn't really exist but if its real , you have to feed them meat or unless they'll show you what they want (unless it is trained or not trained of course)
All police officers are trained in the preservation of evidence at a crime scene, but unless they are specifically trained as crime scene or evidence technicians the average police officer is merely aware of DNA testing, not any specifics as to how it is conducted.
Kids should not play tackle football unless they are trained. The key is proper training, education, equipment and facilities. Most sports can be safe for kids if handled properly, even tackle football. Hockey is another unless properly trained you should not play unless supervised professionally. Rugby (usually European sport) should not be played AT ALL without been trained and without professional supervision !
Generally, you should not unless specifically directed by your doctor.
Proper flag protocol says that the flag should not fly at night unless there are lights trained on it, then it's fine.
Pregnant women should not use fritillaria unless under the advice of a practitioner trained in the use of the herb. Fritillaria should never be given to children.
Prey , unless you have a well-trained dog .
Unless you are medically trained you do not.
No they will not, unless trained
No you should NEVER EVER mess with wild life unless you are a trained professional. There is no such things as a trained professional because wild animals are unpredictable. There are guides or guided tours, but no interaction with wild animals is safe.
you cant its impossible unless you are a trained technichian
Not unless someone has trained them to.