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85 parts
81 parts
80 parts
66 parts

Favorite Knowledge

44.758

Screw

38.597

Gear

28.579

Siemens NX

26.003

Hydraulic cylinder

25.264

Lockheed Martin F-35 Lightning II

25.187

Conveyor belt

24.637

FC Bayern Munich

21.225

Torx

21.072

Australia

20.756

Sprocket

19.481

Wrench

19.034

Hinge

18.985

Electric motor

18.827

Solid Edge

18.025

Forklift

17.843

Bitcoin

17.723

Bolt (fastener)

17.723

Acupuncture

16.978

Induction motor

16.236

Pulley

16.207

South Korea

15.961

Anchor bolt

15.838

Rivet

15.534

Iran

15.272

Fluorine

15.046

Caesium

14.899

Periodic table

14.878

Alfa Romeo

14.813

Moon

14.765

Cat

14.653

Universal joint

14.635

Bird

14.499

Zinc

14.391

Cable gland

14.271

Stirling engine

14.219

New York City

14.196

Mona Lisa

14.194

McLaren 12C

14.054

Sun

13.914

Prince (musician)

13.882

Cuba

13.832

Venice

13.811

Speed limit

13.720

Horse

13.696

Coffee

13.660

Justice League

13.640

Elevator

13.544

Hose clamp

13.507

Toyota

13.416

Arsenal F.C.

13.408

Disc brake

13.345

Snow White

12.947

International Space Station

12.921

Glass

12.861

Bicycle

12.836

Truck

12.735

Caster

12.686

Radon

12.682

Greece

12.575

Rio de Janeiro

12.534

Lion

12.523

Elephant

12.505

Juno (spacecraft)

12.429

Dog

12.425

3D printing

12.257

Electrical conduit

12.221

Fan (machine)

12.131

Allen-Bradley

12.118

Crane (machine)

12.075

Ikea

12.069

Hydrogen

12.068

FANUC

12.057

Spring (device)

12.011

Honda

11.927

Roller chain

11.921

Albert Einstein

11.909

Lamborghini Aventador

11.881

Saint Basil's Cathedral

11.870

Croatia

11.830

ISO metric screw thread

11.815

Iodine

11.798

Dice

11.787

Earth

11.723

Television

11.714

Beer

11.689

Bugatti Veyron

11.685

Kepler (spacecraft)

11.670

Pallet jack

11.662

Stereo display

11.655

Clutch

Knowledge

Knowledge - 4791 Items