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[mail order services, ]telephone order services,[ facsimile order services, and on-line ordering services ]all for catalogs, technical and scientific handbooks, textbooks and technical reference textbooks about measuring, controlling and/or regulating temperature, humidity, pressure, strain, force, flow, level, pH, load, vibration, electrical resistance, air velocity, amperage, frequency, voltage, ion concentration, and conductivity and acquisition, display and retrieval of data regarding in temperature, humidity, pressure, strain, force, flow, level, pH, load, vibration, electrical resistance, air velocity, amperage, frequency, voltage, ion concentration, and conductivity