Archive for August, 2009
Wednesday, August 26th, 2009
Understanding Ammonia Refrigeration Systems
Industrial refrigeration systems use ammonia for cooling. Hence they are called as ammonia refrigeration systems. Pure ammonia is dangerous to human if they are exposed to it. Proper precaution has to be taken to avoid leakage of ammonia from the ammonia refrigeration systems. Ammonia boils at -27 degree F. this property of ammonia is used […]
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Sunday, August 16th, 2009
What is NASCA Lines
While looking at these pictures I’m wondering how was this create, was it made by natural phenomena, human or alien? Different theories come up how did Nazca lines was made but until now there is no sufficient evidence who, why and how it was build. One of the most popular theories was suggested by Erich […]