Q: I have a 1994 GMC pickup. When it gets cold it is very hard to unlock the driver door. A couple of times I have had to unlock the passenger door to get in. We tried spraying WD-40, but that hasn’t ...

The effective use of special additives or conditioners depends entirely on the application in which they are used. For example, graphite and molybdenum disulfide (often called moly) are referred to as ...

Solid lubrication has become essential in materials science. The first United States patent for these materials was issued in the mid-1940s. 2 Since then, significant progress has been made in the ...

Mechanical carbon machine parts excel where oil-grease lubricants won’t work. Sometimes moving parts go into applications that just can’t risk exposure to petroleum lubricants. Nobody wants grease in ...