well it depends on what type of x-ray you are using. But after all most of them are safe.
Yes
Yes. In 2006 the FDA declared microdermabrasion as a Class 1 medical device. This means that microdermabrasion machines can be used by those without any medical training.
How to label machines and equipment to create a safe working environment
Ergonomics is the science concerned with designing safe and comfortable machines for humans.
Certified used cars have several advantages. When a used car is certified, it means that it has been inspected and cleaned. This makes certified used cars better than just regular used cars, as you can't be a hundred percent sure that it is safe and in good condition.
No
never in your life do that!
X ray of the pelvis is risky and has no indications at this stage of pregnancy.
Yes, as long as they are certified and trained
computers
Yes, it is very safe. There are no problems cruising on this ship, it is certified and very professional.
Yes, and even when MRI machines are in use, they are very safe if proper procedures are employed.