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Peak B-grades are roughly one level easier than V-grades (e.g. V8 was equivalent to B9). The V-grade / Font-grade systems (sometimes the "technical grade" component of the British E-grade system is used) have replaced Peak B-grades in Britain but they appear in some guidebooks and some boulder grade conversion tables. [3] [10] [19]
The output will usually be DC in the range 1.5–24 V. Power supplies that output either 100–120 V AC or 210–240 V AC are available; they are called inverters, due to the conversion from DC to AC rather than the voltage change. The output frequency and waveform of an inverter may not accurately replicate that supplied by mains electricity ...
The factor–label method can convert only unit quantities for which the units are in a linear relationship intersecting at 0 (ratio scale in Stevens's typology). Most conversions fit this paradigm. An example for which it cannot be used is the conversion between the Celsius scale and the Kelvin scale (or the Fahrenheit scale). Between degrees ...
ISO 18265: "Metallic materials — Conversion of hardness values" (2013) ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)
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Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10 −6 metre).
As part of the second order, the United States Navy leased one TA-7C (s/n 154404; c/n B-044) to Portugal between April 1982 and June 1985 for operational conversion of fighter pilots. This aircraft, a A-7B-1-CV Corsair II converted to TA-7C tandem-seat trainer, was nicknamed " Pomba Branca " (white dove) due to the original USN white paint that ...
BOAC DC-7C G-AOIC taking off from Manchester UK in April 1958 for a non-stop flight to New York (Idlewild) (later JFK) Swissair DC-7C in 1961 DC-7CF freighter of BOAC in 1961 converted with forward and rear freight doors. The Douglas DC-7 is an American transport aircraft built by the Douglas Aircraft Company from 1953 to 1958.