The laterals supply the erector spinae muscles. The outer branches supply the erector spinae muscles. The iliocostalis originates from the sacrum, erector spinae aponeurosis, and iliac crest. The erector spinae is the main stabilizer muscle in the back. The erector spinae always indicated as modelled shape. The erector spinae sometimes indicated as raised planes. The erector spinae muscles are also supporting and are useful for balance. Meccano and Erector remain very versatile constructional mediums. Ownership of Erector remains with British manufacturer Meccano. The transporter erector launcher was a modified Bedford RL lorry. The missile is mounted on a transporter erector launcher. Ships and ground transporter erector launchers were listed as launch platforms. These missiles were delivered with between 50 and 35 transporter erector launcher trucks. It used a removable erector launcher manufactured by Unidynamics. It has an accuracy of and can be launched from transporter erector launchers.