Category Nuances for excavation:

• hazardous,
• nonconforming,
• costly,
• social,
• temporary,
• minor,
• larger,
• civil,
• basic,
• irreversible,
• outdoor,
• industrial,
• ancillary,
• joint,
• intrusive,
• anthropogenic,
• electrical,
• operational,
• military,
• dominated,
• detailed,
• historic,
• remedial,
• archaeological,
• physical,
• related,
• adjacent,
• low,
• corrective,
• dangerous,
• additional,
• bigger,
• supporting,
• light,
• top,
• specialized,
• preliminary,
• historical,
• noisy,
• scientific,
• artificial,
• investigative,
• disturbing,
• underground,
• initial,
• preparatory,
• typical,
• urban,
• working,
• important,

Simple Categories for excavation:

• works,
• measure,
• pattern,
• place,
• activity,
• procedure,
• use,
• work,
• endeavor,
• waste,
• practice,
• occupation,
• area,
• industry,
• disturbance,
• event,
• space,
• site,
• action,
• job,
• operations,
• effort,
• process,