Modifiers matching obstruction:

• lighted,
• local,
• permanent,
• linear,
• physical,
• additional,
• underground,
• upright,
• mechanical,
• relevant,
• solid,
• virtual,
• vertical,
• bigger,
• temporary,
• minor,
• topical,
• up,
• spatial,
• overhead,
• hazardous,
• nearby,
• smaller,
• visual,
• layer,
• common,
• artificial,
• subsurface,
• raised,
• dense,
• underwater,
• terrestrial,
• irregular,
• electrical,
• surrounding,
• under,
• nasal,
• removable,
• featureless,
• major,
• hard,
• internal,
• external,
• outdoor,
• rigid,
• clear,
• taller,
• simple,
• significant,
• indoor,
• over,
• large,
• immovable,
• larger,
• structural,
• visible,
• insurmountable,
• discrete,
• unusual,
• short,
• past,
• low,
• environmental,
• movable,
• cooler,
• horizontal,
• level,
• impenetrable,
• lateral,
• typical,
• metal,
• hidden,
• geographic,
• multiple,
• urethral,
• opaque,
• elongated,
• small,
• current,
• fixed,
• tall,
• natural,
• hydraulic,
• adjacent,
• isolated,

Simple categories matching mechanical:

• error,
• equipment,
• property,
• application,
• strain,
• principle,
• fluid,
• measure,
• nature,
• system,
• organs,
• variable,
• means,
• part,
• plant,
• device,
• trap,
• shape,
• handbook,
• test,
• change,
• software,
• procedure,
• object,
• integrity,
• arrangement,
• ground,
• fastening,
• danger,
• agitation,
• fastener,
• structure,
• gauge,
• attachment,
• contrivance,
• purpose,
• practice,
• noise,
• subsystem,
• thing,
• substrate,
• defect,
• valve,
• particle,
• interaction,
• switch,
• assembly,
• material,
• devices,
• space,
• being,
• knot,
• appendage,
• implement,
• quality,
• movement,
• drawing,
• binding,
• performance,
• pattern,
• perturbation,
• mistake,
• sensation,
• links,
• service,
• terminal,
• energy,
• actuation,
• cultivation,
• protection,
• operations,
• record,
• factor,
• frame,
• sieve,
• barrier,
• abnormality,
• distribution,
• works,
• specification,
• block,
• applicator,
• harvester,
• calculator,
• knife,
• printer,
• weapon,
• closure,
• accident,
• restraint,
• intervention,
• noisemaker,
• response,
• carrier,
• process,
• event,
• deficiency,
• engine,
• whole,
• form,
• contraceptive,
• deformation,
• readout,
• contaminant,
• display,
• coupling,
• converter,
• abrasive,
• rope,
• stress,
• guide,
• coupler,
• pressure,
• transducer,
• housing,
• obstacle,
• lesion,
• compressor,
• injury,
• facility,
• dredge,
• assistance,
• conveyance,
• requirement,
• artifact,
• details,
• data,
• hazard,
• constraint,
• mill,
• scale,
• damage,
• cam,
• figure,
• tool,
• breakdown,
• installation,
• linkage,
• dispersion,
• agent,
• input,
• vibration,
• craft,
• information,
• gadget,
• strength,
• lock,
• balance,
• invention,
• trade,
• spring,
• matter,
• environment,
• gates,
• transport,
• connection,
• radiation,
• impairment,
• component,
• joint,
• interference,
• resistance,
• connector,
• sander,
• processing,
• creation,
• toy,
• product,
• apparatus,
• tie,
• stimulation,
• cable,
• oscillation,
• crusher,
• issue,
• action,
• output,
• arm,
• study,
• controller,
• testing,
• fault,
• entity,
• wave,
• engineering,
• signal,
• pick,
• filter,
• disturbance,
• lubricant,
• arts,
• collector,
• trauma,
• circuit,
• gage,
• shock,
• module,
• stuff,
• job,
• detector,
• dryer,
• article,
• cooling,
• effort,
• modification,
• subject,
• influence,
• necessity,
• quantity,
• dispenser,
• obstruction,
• release,
• pet,
• science,
• power,
• machine,
• area,
• technique,
• termination,
• hardware,
• pump,
• element,
• attribute,
• weaponry,
• stimulus,
• phenomenon,
• method,
• causality,
• modality,
• loading,
• excavator,
• opening,
• sensor,
• seal,
• character,
• complication,
• level,
• failure,
• design,
• timer,
• creature,
• task,
• item,
• mixer,
• gear,
• line,
• sound,
• improvement,
• work,
• anemometer,
• feature,
• control,
• instrument,
• production,
• impurity,
• abuse,
• fixing,
• aspect,
• member,
• appliance,
• distortion,
• machinery,
• impact,
• function,
• specialist,
• surface,
• separator,
• operation,
• vehicle,
• cutter,
• spreader,
• cause,
• medium,
• skill,
• relic,
• parameter,
• ventilation,
• motion,
• abrasion,
• behavior,
• imperfection,
• instrumentation,
• overload,
• support,
• way,
• engineer,
• condition,
• fitting,
• arena,
• counter,
• feeder,
• trouble,
• behaviour,
• check,
• mechanism,
• anchorage,
• activity,
• measurement,
• problem,
• accuracy,
• perception,
• tissue,
• difficulty,
• piano,
• actuator,
• force,
• separation,
• malfunction,
• shutter,
• elements,
• irritation,
• jolt,
• characteristic,
• compartment,
• indicator,
• contact,
• piece,
• field,
• engagement,
• unit,
• drive,
• representation,
• fixture,
• contraption,