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.
Reagent-grade chemicals are typically ACS-grade chemicals that have been repackaged and have therefore lost their ACS certification. Carolina also offers a choice of packaging for a limited number of chemicals. Corrosive chemicals, such as concentrated acids, are normally packaged in glass bottles.