unexploded ordnance

lost or discarded explosive devices or material

en-US/ˌʌnɪkˈsploʊdɪd ˈɑɹdnəns/
en-GB/ˌʌnɛkˈspləʊdɪd ˈɔːdnəns/

الفئات:

hazardexplosive weaponammunitionwastelost, mislaid, and abandoned property