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hours a day. This is very hard
rkers can check only 300 meters a day.
eat *adyantages to using robots for such difficult work. Sewerage "insi
nd fjexible body like a snake. With "infrared sensors, they can move t
asily. They can check *qdistances as long as one kilometer a day and
*accurately than humans。 Robots take pictures of the inside of s
sientific data about their condition. Later, *experts can “analyze the
jh the damaged parts of sewerage pipes. Robot engineers say that