I conversions see "Conversions". For more general conversions, see the Lorentz transformations. Functions are provided for some data conversions. The requirements of Reform Judaism for conversions are different. This behavior exists to avoid integer overflows in implicit narrowing conversions. The Ducato Mk1 was very popular as a basis for campervan conversions. The common name for these conversions of cars and small trucks was "snowflyers". Total figures for conversions to night flying operations are unknown. Tulsa is another company that did 4x4 conversions for utility companies. Similarities between Odinism and other extremist groups such as Christian Identity facilitate conversions. The specifications of the individual conversions differed considerably. The Spanish Inquisition led to many forced conversions of Spanish Jews. It is a useful device for date conversions between different calendars. The mortality rates were so high that the missions were constantly dependent upon new conversions. Fast pyrolysis is also investigated for biomass conversions.