usually aimed at preventing "physical obsolescence". However, the term maintenance aiso nas an alternative meaning where an item is changed or improved in some way so that it can continue to be useful, even if it means that it is no longer functioning as it was originally designed to function. This is usually aimed at preventing "functional obsolescence". Categorise the following examples of maintenance into those aimed at preventing physical obsolescence and those aimed at preventing functional obsolescence.

When the local manufacturing industry declined, many of the old warehouses were left vacant. They are currently being renovated, however, and turned into open$-$plan office spaces.

One of the older houses in the neighbourhood is struggling to attract a sale or tenants because it only has a single bathroom. Most of the houses in that particular neighbourhood have at least two bathrooms. The owner is currently investing in the construction of a second bathroom.

One of the factory's motors was starting to overheat.

Choose...

Physical obsolescence Functional obsolescence Fortunately, they had implemented a condition$-$based maintenance strategy where they monitored the heat of their

Functional obsolescence $-{?}^{}$