A magnesium test is used to measure the level of magnesium in the blood (or sometimes urine). Abnormal levels of magnesium are most frequently seen in conditions or diseases that cause impaired or excessive excretion of magnesium by the kidneys or that cause impaired absorption in the intestines.
Brazing is a metal-joining process in which two or more metal items are joined together by melting and flowing a filler metal into the joint, the filler metal having a lower melting point than the adjoining metal.anual torch brazing is a procedure where the heat is applied using a gas flame placed on or near the joint being brazed. The torch can either be hand held or held in a fixed position depending on whether the operation is completely manual or has some level of automation.
If the CV joint or axle literally breaks, it's most definitely from bad driving. Either the driver hot rodded the vehicle or ignored an unusual noise in the drive line for a long time. If the joint is scored, noisy or simply worn out, it's generally caused by a serious impact and/or a loss of grease and the entry of road debris through a torn boot which seals the joint. For what it's worth, in my state, the extensive damage that you describe in your question must be disclosed to the buyer at the time of sale.