Modifiers matching installation:

• multiple,
• fixed,
• big,
• permanent,
• technological,
• aquatic,
• remote,
• base,
• electrical,
• large,
• productive,
• convenient,
• outside,
• commercial,
• national,
• secure,
• corporate,
• military,
• inshore,
• outdoor,
• quick,
• specialized,
• industrial,
• medium,
• federal,
• exterior,
• vital,
• temporary,
• professional,
• exposed,
• audiovisual,
• closed,
• floating,
• defensive,
• chemical,
• current,
• peripheral,
• environmental,
• incidental,
• physical,
• protective,
• complex,
• internal,
• spatial,
• necessary,
• architectural,
• down,
• harsh,
• social,
• nearby,
• self,
• small,
• vertical,
• dynamic,
• academic,
• strategic,
• radio,
• real,
• thick,
• mechanical,
• size,
• important,
• technical,
• vulnerable,
• metallic,
• high,
• functional,
• controlled,
• complicated,
• primary,
• modern,
• limited,
• appropriate,
• minor,
• single,
• concrete,
• advanced,
• occupied,
• sensitive,
• maritime,
• inside,
• horizontal,
• fighting,
• critical,
• coastal,
• institutional,
• sloping,
• static,
• avionic,
• unusual,
• special,
• electronic,
• domestic,
• expensive,
• stationary,
• complete,
• linear,
• basic,
• interior,
• sized,
• shared,
• unmanned,
• public,
• hydraulic,
• additional,
• major,
• unique,
• difficult,
• impressive,
• light,
• sanitary,
• essential,
• key,
• electric,
• smaller,
• hazardous,
• subsurface,
• semipermanent,
• economic,
• indoor,
• typical,
• particular,
• mobile,
• auxiliary,
• new,
• civilian,
• overhead,
• stable,
• residential,
• decorative,
• marine,
• nuclear,
• wet,
• off,
• communal,
• movable,
• larger,
• external,
• interactive,
• unattended,
• surrounding,
• isolated,
• central,
• alert,
• underground,
• tubular,
• covered,
• supporting,
• proper,
• simple,
• scientific,
• ancillary,
• official,
• underwater,
• individual,
• moving,
• agricultural,
• modular,
• centralized,
• portable,
• recreational,
• structural,

Simple categories matching subsurface:

• soil,
• mineral,
• structure,
• material,
• body,
• condition,
• item,
• obstruction,
• component,
• feature,
• deposit,
• industry,
• property,
• cavity,
• construction,
• installation,
• void,
• attribute,
• object,
• utility,
• system,
• drain,
• resource,
• reservoir,
• information,
• platform,
• anomaly,
• separation,
• measure,
• data,
• liquid,
• process,
• variation,
• fluid,
• quantity,
• defect,
• sorbent,
• layer,
• area,
• imperfection,
• facility,
• stratum,
• change,
• rock,
• variable,
• detail,
• excavation,
• formation,
• artifact,