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.
Looking at a lunar eclipse is completely safe with the naked eye or a telescope. However, it is very dangerous to look at a solar eclipse without something to protect your eyes from infra-red light. Usually you can get special eclipse glasses that block out the damaging rays from reaching your eyes. Video credit: Nasa.