Boart Longyear diamond drilling firm; Brainard-Kilman, a maker of civil engineering devices, such as well monitoring and test equipment; and ChemGrout a mfg of cement grouting equipment. Longyear acquired Slope Indicator Company, the nation's largest producer of geotechnical instruments, and Northern Air Supply in 1988, followed by the Campbell Pacific Division in 1989 and WTD Environmental Drilling in 1990. Then in 1994, North Star Drilling Company, specializing in sonic drilling was acquired. On January 2, 1995, Boart International and the Longyear Company officially merged into a single company and changed its name to Boart Longyear Limited. At this point the two companies
Language for specific purposes Thus, when trying to identify which approach being taken, the question is: "Is it English for Specific Purposes or English through specific content themes or content areas?" Language for specific purposes Language for specific purposes (LSP) has been primarily used to refer to two areas within applied linguistics: LSP can be used with any target language needed by the learners as a tool for specific purposes, and has often been applied to English (English for specific purposes, or ESP). A third approach, content or theme-based language instruction (CBI) has also been confused with LSP. These several uses of the label