HPV Support Group
Human papillomavirus is a diverse group of DNA-based viruses that infect the skin and mucous membranes of humans. More than 100 different human papillomavirus (HPV) types have been characterized. Some HPV types cause benign skin warts, or papillomas, for which the virus family is named. HPVs associated with the development of such "common warts" are transmitted...
This is how the one of the security measures for nuclear reactors/breeder reactors. Except those are wax seals that are carefully analyzed/photographed for tamper. FYI (now they are going to kill me :-)
Good luck and god bless