atomic number 82; booster cable; chair; conduce; conduct; confidential information; contribute; direct; extend; go; guide; head; hint; jumper cable; jumper lead; lead story; lead-in; leading; leash; leave; lede; moderate; pass; pb; pencil lead; precede; principal; result; run; spark advance; star; steer; take; tether; tip; top; track; trail; wind;