Save. You can exchange data, such as contacts, by pairing two Bluetooth-enabled devices, selecting the contacts you want to transfer and sharing them over the Bluetooth connection.ave. You can exchange data, such as contacts, by pairing two Bluetooth-enabled devices, selecting the contacts you want to transfer and sharing them over the Bluetooth connection.
technical-grade - containing small amounts of other chemicals, hence slightly impure; technical-grade sulfuric acid. technical grade. chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
Technical Sergeant, Tech Sgt in informal parlance, is the sixth enlisted rank (pay grade E-6) in the U.S. Air Force, just above staff sergeant and below master sergeant. A technical sergeant is a noncommissioned officer and abbreviated as TSgt (with no period in official USAF and other military correspondence).