Modifiers matching installation:

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

Simple categories matching semipermanent:

• feature,
• installation,
• structure,
• object,
• location,