The decision to use essential oils during pregnancy can be a difficult one. There are a wide variety of opinions on the matter, often with conflicting and confusing claims. For example, some women choose to avoid excessive use of these specific oils: Clary Sage or Sage. Idaho Tansy or Hyssop. Fennel. Wintergreen.
What Does OTR Trucking Mean? Recently, we've been receiving a lot of questions about what exactly OTR trucking is. OTR trucking is just one of many different types of truck driving jobs that a driver can have throughout his or her career. It's an especially valuable type of truck driving job to have in the early stages of a truck driving career.
Optical time-domain reflectometer. An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. An OTDR is the optical equivalent of an electronic time domain reflectometer. It injects a series of optical pulses into the fiber under test and extracts, from the same end of the fiber, light that is scattered (Rayleigh backscatter) or reflected back from points along the fiber.