because - Robots are useful _________ they can do chores at home., so - Robots are be programmed _____ that they can do tasks. , but - Robots are useful_______ are very expensive to make., and - Robots can clean ________ mow lawns., or - Sensors work with electricity ______ batteries. , that - These devices can do tasks ________ might be dangerous for humans to do., when - Electrical devices works better ________ they are fully charged., if - Humanoids can help children _______ they are stuck with their homework. ,

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