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.
Additional Information. Occupational Health Guidelines for Chemical Hazards. US Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 81-123, (1981, January). Provides a table of contents of guidelines for many hazardous chemicals. The files provide technical chemical information, including chemical and physical properties, health effects, exposure limits, and recommendations for medical monitoring, personal protective equipment (PPE), and control procedures.