In both Central and South America, cacao was used as currency from before the arrival of the Spanish until well into the 19th century. In addition to being associated with a tasty and stimulating drink, these seeds have the necessary physical properties to be a vehicle for exchange, since they do not wear down or break easily, they are easily distinguishable...
RA Power Solutions introduced an onsite portable crankshaft polisher that is transportable, lightweight, and simple to use. Without removing the crankshaft from the engine block, the crankshaft and crankpin can be polished with the portable crankshaft grinder. In order to reduce the cost of crankshaft repair, the company intends to do away with the old pract...
