Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
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An allotropic form of carbon used for the brushes in generators which collect current from the commutator segments: It is used also for bushes in water pumps and for thrust bearings in some clutches. Used in powder form as an additive to oils and greases, especially to prevent seizure of threads on nuts and studs at high temperatures. Thus advocated for sparking plug threads and exhaust manifold studs.
