New Delhi: Nearly 160 tonne of biomedical waste in the form of gloves, face masks and empty sanitiser bottles used by polling personnel and voters was generated during the Bihar assembly polls held amid the COVID-19 pandemic, poll authorities in the state have said.The poll authorities also relied on an inexpensive but effective technology used to track EVMs to ensure that the waste reached public health centres for its onward journey to the incinerator.To ensure safety of voters, polling staff and security personnel in the first-ever polls held amid the pandemic, the Election Commission had procured 18 lakh face shields, 70 lakh face masks, 5.4 lakh single use rubber gloves for polling and security personnel and 7.21 crore 'one hand'.