Double Blind Testing -
thomas edison almost blinded himself by exposing himself to the x-rays...
Far enough that it does not blind you when you are working at the sink and not so far as to cast a shadow. 12" to the center of the light is perfect.
Every Electrical Furnace run by Electrical Current. Without electricity we can't use any type electric furnace. Sometechnical knowledge must be required for maintenance of electric furnace. Spare parts availability like Heating elements/resistance wire, Thermostat/Temperature controller (maybe Digital or Blind controller, Contactor, Insulators etc.
Only in the fact that it can blind viewers and sparks will fly and hit the welder. The blindness is temporary and only slightly painful, but can be avoided by a welding mask or eye protection of equal value. Many sparks will bounce off without pain, but some will sting slightly. This is why boots or tennis shoes and a welding apron should be worn during welding. Finally, the last word of caution is one of common sense. Do not touch the hot material or attempt to touch the electrode during or shortly after it is hot. Use a pair of pliers on hot materials being welded.
Normally, this is inherited, but if it is not, then considerable damage to the Optic Nerve, Retina, or higher brain can cause this.
you cant
bright and sparkley
I don't know the ratio but I know that men are more likely to become colour blind because women have a backup gene.
Most color blind people function just fine.
Green & red
No, sorry. You can become a regular pilot though!
yes color blind people can become cops all they have to be able to do is see(:
Like Colour to the Blind was created in 1998.
she became blind .
Like Colour to the Blind has 340 pages.
A deaf and blind person may use a white cane, just like a blind person, to help with navigation and detect obstacles. The color is meant to alert others that the person may have a dual sensory impairment.