What is the mean hold close to body ?

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?