³Ô¹Ïtv / SOLDERING ENGINEERINGEvidence review: Soldering Flux1IdentityExact flux or paste product, form and supplierguidance.2ResidueRemain, clean or verify under a documentedprocess.3CompatibilityComponents, labels, coating and electricalenvironment.4ControlApplication, thermal activation and cleaningevidence.Explanatory schematic. Not to scale, a process recipe, acceptance limit or inspection evidence.