People with spinal cord injury are often told that they have an injury at a given spinal cord level. They are often told that the injury is âcompleteâ or âincompleteâ. They sometimes be told that they have a bony fracture or other involvement of one or more spinal vertebral levels.
Univar is a dealer for many of the world's top chemical manufacturers in a wide variety of industries, including agriculture, vegetation management, chemical manufacturing, food and beverage, mining, oil and gas production, pest control, water treatment, and pharmaceutical.
UN = Basic Unified National thread series. UNR = Basic Unified National thread series with external thread. controlled root radius. UNJ applies to both internal and external threads, it has a larger. root radius and is a stronger thread than UN or UNR. UNR applies to external thread only, for internal threads use UN. UNR threads have a single difference from UN threads, a mandatory root. radius. UN threads have a flat or optional rounded root contour at the minor.