India, Oct. 18 -- People across China are earning money by performing everyday household chores, but with an unusual twist. They must repeat the same movements hundreds of times while wearing sensors, helping train robots to carry out similar tasks in the future.

(Also read: 'Robots doing Ardah': Chinese humanoid robots perform Saudi sword dance in Riyadh)

According to a report by the South China Morning Post (SCMP), a growing number of freelance workers are using motion-capture devices to record activities such as picking up cups, opening bottle caps and washing dishes. The recordings are converted into datasets to train robots for homes, factories and supermarkets.

These jobs are increasingly advertised on Chinese social media and re...