To develop a product and ultimately maintain an asset you need to manage a number of product definitions going through the lifecycle from inception to disposal. Some product definitions are critical as part of EAM/MRO.
In this post I’ll talk about product definitions in general an then specifically those that are input to EAM/MRO. Literature may refer to these product definitions as BOM’s. I oppose this generalization as there is more ‘bom to a bom’. A ‘decomposition’ would be more appropriate and this decomposition consists of Assemblies. I once referred to these as bom-lets, in fact that is exactly what it is, small structures of sub-assemblies with components.

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