Type and composition
What features and composition do the submitted fibres, particles or coating have within the scope of applicable methods?
Comparison
Do the samples being compared have shared and differing features?
Contact
Are microparticles present on the object whose properties correspond to the submitted sample?
Coating
What are the features of the paint coating layers, and how are the differences found explained?
Limits
Do the quantity, condition and provenance of the samples allow a finding on the question posed?
Wording
Questions are refined after assessing the objects and possible methods; the expert does not provide a legal assessment of the event.