Underground water tunnel e industrial robot: o que têm em comum

1. Passo 1. Underground water tunnel — faz parte de — Qanat. A gently sloping tunnel through which water flows to the fields.
2. Passo 2. Qanat — é feito de — Argila. Weak sections of a qanat were reinforced with clay rings.
3. Passo 3. Argila — é material para — Spinning top. Or shaped from clay.
4. Passo 4. Spinning top — funciona como — Gyroscope. A gyroscope is a top in a gimbal.
5. Passo 5. Gyroscope — faz parte de — International Space Station. Control moment gyroscopes.
6. Passo 6. International Space Station — tem como parte — Industrial robot. The Canadarm2 robotic arm.

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