Installations works and demolitions designed to prevent or hinder the movement of forces They are put in place in order to inflict losses on the enemy to
| delay or hamper his movements and
| actions to restrict his manoeuvres or to force him to advance in a
| direction favourable to friendly forces They may be subdivided by
| type into explosive non explosive electrified and combined
| obstacles by
| location and purpose into land air or
| sea | obstacles and by
| scale into operational or tactical obstacles
- only individual words found (there may be no translations for some thesaurus entries in the bilingual dictionary)