Style name for 2D outline of human 3D mannequin poses (user manuals)?

I have seen these types of illustrations in manuals; but now I try to find a representative example, I can’t – best I can find is this, from a service that (probably manually) generates vector images for user manuals from photos ( https://vector-conversions.com/vector-drawings-for-manuals-and-technical-diagrams.html ):