(Revenue/Capital) expenditures are additional costs of plant assets that do not materially increase the asset's life or capabilities.

The statement provided refers to "revenue expenditures," which are costs that a company incurs during its normal operations that do not significantly enhance the value of plant assets or extend their life.

Revenue expenditures are typically expensed in the period they are incurred, affecting the income statement rather than being capitalized on the balance sheet as part of the asset's value. This means that costs related to regular maintenance, repairs, and other routine operational expenses fall into this category.

In contrast, capital expenditures (CapEx) would include expenses that enhance the asset's value or extend its useful life, such as major renovations or improvements to equipment and facilities. These costs are added to the asset's balance on the balance sheet and are subject to depreciation over time.

In summary, understanding the distinction between revenue and capital expenditures is crucial for accurate financial reporting and asset management, as they have different implications for both financial statements and tax obligations.