Spirulina is a kind of lower plant microscopic blue-green alga in the shape of a perfect spiral coil living both in the sea and freshwater, belongs to the Cyanophyta. It is the earth appears the earliest photosynthetic organisms, in microscopy, the form of spiral filamentous, so its name. Spirulina contains an unusually high amount of protein, between 50% and 70% by dry weight. It is a complete protein, containing all essential amino acids. Natural spirulina is rich in essential fatty acids, a variety of Vitamins, and also a good source of Minerals.
Samarium cobalt magnets (also known as SmCo magnets): one of the two types of rare earth magnets is a strong permanent magnet made of an alloy of samarium and cobalt. They were developed in the early 1970s. They are generally the second-strongest type of magnet made, less strong than neodymium magnets, but have higher temperature ratings.
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The magnetic sweeper is used to collect metal contaminants such as nails, iron filings, etc. from the premises. It consists of a handle and a bottom casing with an extraordinarily powerful rare earth permanent magnet.
