1 Girls start having periods at different times depending on how quickly they are developing.  If a girl has not had her first period by the time she is 16, this is still probably normal, but it would be worth checking with a doctor.
IETMS stands for Interactive Electronic Technical Manual System. Israeli English Teachers' Network. Institution of Engineering and Technology Northern Ireland. Institute of Engineering Technology of Ontario (Canada) Interagency Environmental Technology Office (Washington, DC) Industrial Effluent Treatment Plant.
What do all these initials/certification marks mean? UL, CSA, ETL and CE These initials are given to products which have been tested and stamped with the approval. UL: Underwriters Laboratories Incâ¦. is an independent non profit organization that writes and tests products for safety and certifies them. ULâs web site is www.ul.com