the.com/spare parts
the difference between a machine you fix and a machine you replace.
means components kept in reserve to repair or replace worn or broken parts of a larger system.
from from spare, old english sparian meaning to refrain from using, save for later; paired with parts since the industrial revolution made interchangeable components possible.
interchangeable partseli whitney popularized the concept for muskets in 1801
iss stockpilespace station keeps spare parts worth millions in orbit
right to repairlaws now force makers to sell spare parts to owners
for instance
boeing 747 fleet — airlines cannibalize retired jets purely for spare parts
iphone battery kits — apple sells self-service spare parts since 2022
soviet mig spares — cold war air forces hoarded decades of engine stock