The best ISO systems are the ones people actually use. A lean system supports production, training, and audit readiness without burying the team in extra paperwork.
That starts with documenting only what the operation truly needs. Procedures should explain control points, responsibilities, and records clearly. They should not read like generic manuals written for another company.
Forms and records should be built around the workflow. If operators or supervisors cannot complete them quickly and consistently, the system will become decorative instead of functional.
A lean system also depends on disciplined document control. Keep versions current, archive obsolete material, and avoid duplicate forms that confuse the team.
When the system stays close to the real process, audits become easier and continuous improvement becomes more believable. That is the difference between a certification project and a usable management system.