As described previously, cervical cancers are caused by infection with one of the high-risk HPV types. However, since not all people who are infected with HPV will develop cancer, it is likely that other factors also play a role in the development of cervical cancer.
ballast factor (BF) - The ratio of the light output of a fluorescent lamp or lamps operated on a ballast to the light output of the lamp(s) operated on a standard (reference) ballast. Ballast factor depends on both the ballast and the lamp type; a single ballast can have several ballast factors depending on lamp type. compact fluorescent lamp (CFL) - A family of single-ended fluorescent-discharge light sources with small-diameter [16-millimeter (5/8-inch) or less] tubes.
ISA 450 presents in an explicit way the qualitative factors connected with materiality and helps auditors to adequately assess the significance of their findings that are under the threshold level.esearches conducted since that time indicates that the main determinant of materiality is the percentage effect (distortion) on net profit, as a financial qualitative factor. The oldest research was the study conducted by Woolsey (1954), an analysis by questionnaire.