Modifiers matching certificate:

• individual,
• technical,
• religious,
• key,
• physical,
• digital,
• secure,
• official,
• recent,
• special,
• professional,
• specialized,
• public,
• valid,
• electronic,
• internal,
• legal,
• relevant,

Simple categories matching recent:

• development,
• event,
• incident,
• mishap,
• disturbance,
• publication,
• investigation,
• sediment,
• disaster,
• system,
• surgery,
• action,
• information,
• activity,
• change,
• measure,
• experience,
• mammal,
• occurrence,
• conflict,
• technology,
• works,
• idea,
• achievement,
• theory,
• notion,
• service,
• theme,
• point,
• process,
• injury,
• trauma,
• work,
• hazard,
• loss,
• assessment,
• procedure,
• certificate,
• innovation,
• engagement,
• animal,
• catastrophe,
• production,