Color blindness is the inability to discriminate certain colors visually. It may be complete, in which case there is no color sensation and vision is described as monochromatic, or partial where some color discrimination in certain regions of the spectrum is present.
The classic Meteor was the ideal starter air rifle, mid power range of 8 to 9 ft pounds energy, a great stock that seemed to suit whoever picked it up, a good sensitive trigger, add to that its lightweight of around six and a half pounds and its inherent accuracy...BSA had a sure fire winner on its hands!
In physiology and medicine, the body surface area (BSA) is the measured or calculated surface area of a human body. For many clinical purposes BSA is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose mass.