Eight intersecting arches created by two rotated squares that create interlocking pendentives support the dome. There is also a version of logo that uses both overlapping and interlocking rings. There are numerous seastead designs based around interlocking modules made of reinforced concrete. The pattern consists of four colors printed in an interlocking pattern. It consists of numerous interlocking diamond circles. Bricks can be joined together using mortar, adhesives or by interlocking them. Armour plates were mostly flat, with interlocking construction. Congress gave them the exclusive rights to any symbol consisting of five interlocking rings. A genuine call has distinctive interlocking and slight overlap of turns. The interlocking of the hydrates gives cement its strength. The Lego Group began manufacturing the interlocking toy bricks in 1949. These are traditionally interlocking wood, but could be plastic or other materials. Others act as mechanical thixotropic additives with discrete particles adhering or interlocking to resist strain. Great Adventure are two examples that feature interlocking corkscrews. Reticulated twins, common in rutile, are interlocking crystals resembling netting.