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.
Laboratory technicians are trained in using chemical and biological tests and procedures. In the water-quality sector, laboratory technicians help the chemist, microbiologist, water quality specialists, and treatment-plant operators.aboratory technicians are trained in using chemical and biological tests and procedures. In the water-quality sector, laboratory technicians help the chemist, microbiologist, water quality specialists, and treatment-plant operators.