Modifiers matching obstruction:

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

Simple categories matching mechanical:

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