electrical_wire_arc_256_01b
elevator_roof_collar_glass
electrical_wire_straight_256_01a
glados_screenborder_curve
electrical_conduit_joint_01a
rail_horizontal_straight_128
hanging_walkway_128a_cards
glados_wheatley_boss_animation
triple_wallpipe_straight_a
silhouette_cable_cluster01
glados_wheatley_boss_screen
metalwall_bts_006d_gradient
backpanels_color01_nospec
black_floor_metal_001b_vertex
indicator_lights_corner_floor
black_wall_metal_002a_vertex
indicator_lights_corner_wall
glasswindow_refract01_neutral
glasswindow_refract01_warm