partial void DeleteResistenciaTracao(ResistenciaTracao instance);
 partial void UpdateResistenciaTracao(ResistenciaTracao instance);
		private void detach_ResistenciaTracaos(ResistenciaTracao entity)
		{
			this.SendPropertyChanging();
			entity.MateriaPrima = null;
		}
 partial void InsertResistenciaTracao(ResistenciaTracao instance);
		private void attach_ResistenciaTracaos(ResistenciaTracao entity)
		{
			this.SendPropertyChanging();
			entity.Bitola = this;
		}