Origin of L-Threonine: Foods rich in L-threonine are: 1  poultry. 2  fish. 3  cottage cheese. 4  sesame seeds. 5  lentils. 6  bananas. 7  carrots. 8  green leafy vegetables.
UOAs are a great tool in the Management of any machinery that uses liquid lubricants. Unfortunately, their real value is often misunderstood by those who contribute to BITOG. Firstly, it is important to realize that you get what you pay for. The most common forms of UOA are limited in their scope. It is a case of if you pay more you get more. So my comments here relate primarily to the âsimpleâ UOAs â the cornerstone of those appearing on BITOG.
Bad U Joint Symptoms. A universal joint (U joint), is a coupling that connects two rigid rotating shafts in order to allow those shafts to continue to rotate at an angle. A perfect coupling would be able to spin the shafts at exactly the same speed as the angle increased, but this is not the case with a U joint.