professional technical man in prevention suit sprays sterilising solution by electrical spray machine on the wood floor and white

back background biohazard cable chemical clean corona coronavirus covid danger dicut disease disinfect disinfectant disinfection electrical epidemic equipment facemask floor flu hall health human infection influenza light line machine male man mask pandemic person prevention professional protection protective quarantine removal remover sanitize side solution spotlight spray sprays sterilising studio suit technical thailand uniform virus white wood