Abstract After coal extraction in underground mining, progressive fracturing occurs in both roof and floor strata, resulting in stress redistribution within these rock layers.Considering the fractures in the strata at roof and floor, an elliptical stress arch was introduced.This concept analyzed how the shape and structure of this arch evolved when
Hiding or out? Lesbian and gay educators reveal their experiences about their sexual identities in their K-12 schools
This qualitative study explored the ways in which lesbian and gay educators, in the Midwest part of the country, negotiate their sexual identities in their school settings.Ten gay and lesbian public and Catholic school educators from rural, suburban, and urban schools were interviewed.The purpose of this study was to determine Spray Arm Washer how