The outer growth rings of a dead tree (or a piece of timber used in construction of an ancient structure) are compared with the inner rings of a living tree.
(timber; used; L:in construction of an ancient structure) (The outer growth rings of a dead tree (or a piece of timber; are compared; with the inner rings of a living tree)
timber The outer growth rings of a dead tree (or a piece of timber
used are compared
L:in construction of an ancient structure
with the inner rings of a living tree