Editing Grade (section)

===Engineering and technology===
* [[Grade (fasteners)]], the grade of nuts and bolts refers to the strength and material
* [[Grading (earthworks)]], the preparation and leveling of land for construction, especially of roads and railways
* [[Grade separation]], aligning a junction of two or more transport axes at different heights to facilitate traffic flow
* [[Cetane rating]], a measure of diesel fuel's combustion quality
* [[Octane rating]], also called gasoline grade, the measure of the autoignition resistance of gasoline (petrol) and other fuels used in spark-ignition internal combustion engines
* [[Grade of service]], the quality of voice service in telecommunications
* [[Color grading]], the process of altering and enhancing the color of a motion picture, video image, or still image
* A rating of [[Lumber#Grades and standards|lumber]] (timber) quality and strength