Modifiers matching pipe:

• rigid,
• plastic,
• ceramic,
• underground,
• concrete,
• nonmetallic,
• metal,
• fixed,
• hard,
• flexible,
• ferromagnetic,
• vertical,
• thicker,
• temporary,
• metallic,
• main,
• conventional,
• exposed,
• old,
• hollow,
• larger,
• unusual,
• standard,
• additional,
• decorative,
• industrial,
• resilient,
• cylindrical,
• sized,
• inside,
• smaller,

Simple categories matching sized:

• animal,
• battery,
• bird,
• organization,
• building,
• sediment,
• prey,
• object,
• rodent,
• appliance,
• sugar,
• ball,
• item,
• figure,
• computer,
• larva,
• parrot,
• dog,
• particle,
• coin,
• insect,
• solute,
• cetacean,
• predator,
• aggregate,
• surface,
• herbivore,
• machinery,
• molecule,
• article,
• body,
• pet,
• mammal,
• establishment,
• installation,
• information,
• location,
• van,
• facility,
• carnivore,
• motor,
• filler,
• furniture,
• material,
• print,
• structure,
• piece,
• institution,
• feature,
• commodity,
• vessel,
• system,
• room,
• instrument,
• antelope,
• scan,
• transport,
• area,
• host,
• electrode,
• livestock,
• monkey,
• poultry,
• creature,
• grass,
• implement,
• flower,
• arthropod,
• equipment,
• substrate,
• floor,
• organisation,
• store,
• fish,
• dish,
• plant,
• vesicle,
• bed,
• powder,
• ground,
• employer,
• woodpecker,
• horse,
• key,
• polymer,
• medium,
• taxi,
• organism,
• part,
• vertebrate,
• food,
• automobile,
• pipe,
• paper,
• business,
• vegetable,
• vehicle,
• fruit,
• fastener,
• event,
• ungulate,
• meal,
• quarry,
• weapon,
• vein,
• package,
• pollutant,
• component,
• box,
• problem,
• party,
• utility,
• original,
• container,
• lettering,
• rope,
• operations,
• algae,
• feed,
• document,
• gadget,
• project,
• boat,
• veggie,
• zooplankton,
• marsupial,
• sport,
• fowl,