def edit
      @field = Field.find(params[:id])
      @section = Section.find(params[:section_id])

      add_crumb(@section.name.titleize, edit_engine_room_section_path(@section.id))
      add_crumb('Edit Field', edit_engine_room_section_field_path(@section, @field.id))
    end
def edit
      @field = Field.find(params[:id])
      @section = Section.find(params[:section_id])

      add_crumb(@section.name.titleize, edit_engine_room_section_path(@section.id))
      add_crumb('Edit Field', edit_engine_room_section_field_path(@section, @field.id))
    end
GET /fields/1/edit