negative pressure can't that allows doctors to perform various procedures like sharkey asked me and ron caspian thinks that they're not doing right now and only patients because of the fear of going to civilization there's a greater risk for health care workers when you're when you're treating patients this day so there's no depression can't allows them to treat patients with procedures that they're rarely need and so down that way the patient gen be taken out of it later sooner. and treated accordingly we talked about the social distancing and so we certainly when the patient comes into an ambulance corps where now the people need health care workers are exposed to the virus made as if we have these negative pressure helmet on on the patient so that people around them are not infected with the lawyers even before entering the hospital so you could also use this new public spaces as well but once a patient enters a hospital in the patient needs of treatment you can provide a passage of 2 to the helmet and treat the patient the white and former larger procedures i mentioned already about the cha