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Thank you once again Rick and for identification in 7 SME back over to bird. Thank you Scott. Yeah I'm old enough to remember the old R12 systems I actually used to work with air conditioning and refrigeration on board key up sometimes I kicked myself for not getting the license to work on it in the civilian world the air conditioners that we had on board key up for the for the reefer boxes was our 12 but for cooling spaces it was R114 yeah it was a I forget how many ton AC plants they