6. Subcontracted work and other external costs
(in miljoenen euro's) | 2018 | 2017 |
Kosten van uitbesteed werk | 113 | 73 |
Schoonmaakkosten | 100 | 95 |
Onderhoudswerkzaamheden | 123 | 122 |
Automatiseringskosten | 183 | 185 |
Totaal | 519 | 475 |
The costs of subcontracted work are the costs relating to the execution of assignments by third parties that are not covered by the other items in this category.