In Measurement and Quality Control
- Grad (angle), also called grade, a unit for the measurement of plane angles
- Ore grade, a measure that describes the concentration of a valuable natural material in the surrounding ore
- Grade (fasteners), the grade of nuts and bolts refers to the strength and material
- 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
- Grading (tumors), a measure of the aggressiveness of a tumor in medicine
- Grade (climbing), a climber's assessment of the difficulty and danger of climbing a hill
- Grade (bouldering), a climber's assessment of the difficulty and danger of climbing a route which are distinct from those used in regular climbing
- International Scale of River Difficulty, also called grade, a standardized scale used to rate the safety of a stretch of river, or a single rapid.
- Grade of service, the quality of voice service in telecommunications
- Coin grading, the process of determining the grade or condition of a coin, the key factor in its value
- Pattern grading, the scaling of a pattern to a different size in the clothing or footwear industry
Read more about this topic: Grade
Famous quotes containing the words measurement, quality and/or control:
“That’s the great danger of sectarian opinions, they always accept the formulas of past events as useful for the measurement of future events and they never are, if you have high standards of accuracy.”
—John Dos Passos (1896–1970)
“There are few things more disturbing than to find, in somebody we detest, a moral quality which seems to us demonstrably superior to anything we ourselves possess. It augurs not merely an unfairness on the part of creation, but a lack of artistic judgement.... Sainthood is acceptable only in saints.”
—Pamela Hansford Johnson (1912–1981)
“The inability to control our children’s behavior feels the same as not being able to control it in ourselves. And the fact is that primitive behavior in children does unleash primitive behavior in mothers. That’s what frightens mothers most. For young children, even when out of control, do not have the power to destroy their mothers, but mothers who are out of control feel that they may destroy their children.”
—Elaine Heffner (20th century)