System 2.0

| L 10 | SS | self-tapping

| L 12 | SS | self-tapping

| L 14 | SS | self-tapping

| L 16 | SS | self-tapping

| L 18 | SS | self-tapping

| L 20 | SS | self-tapping

| L 22 | SS | self-tapping

| L 24 | SS | self-tapping

| L 26 | SS | self-tapping

| L 28 | SS | self-tapping

| L 30 | SS | self-tapping