Potash cash operating cost of goods sold net of by-product credits, which we define as total cost of goods sold excluding royalties, depreciation, depletion and amortization, was $199 per short ton in the first quarter of 2010 compared to $238 per short ton in the first quarter of 2009.
Answers.comÂ® is making the world better one answer at a time. It is relativley rare to observe a solar eclipse because the sun's light is blocked by the moon.
To follow the progress of a solar eclipse, of course! But gazing at the Sun for any length of time without proper eye protection is terribly dangerous and may result in âeclipse blindness,â a serious injury in which the eyeâs retina is damaged by solar radiation.