Final answer:
The statement is false; no structure, including chimneys, is invulnerable to damage due to a range of environmental and stress factors. Other structures, such as high-voltage wires and trees, also have their vulnerabilities, such as the ability of lightning to travel through a tree.
Step-by-step explanation:
The statement that chimneys are structurally invulnerable is false. No structure is completely invulnerable, and chimneys are no exception. They can be susceptible to various stresses such as environmental factors, thermal stress from heating and cooling, and material degradation over time. In particular, chimneys that are part of traditional wood stoves or efficient heating devices must be regularly maintained to ensure they do not deteriorate and remain functional.
Similarly, other structures like high-voltage wires and trees are not invulnerable to damage; for example, despite wood being an insulator, lightning can travel through a tree to reach the Earth, and high-voltage wires, although held by insulating connectors, can still be susceptible to environmental and man-made damages.