これらの保護対策のいくつかの例を提供できますか？ボスニア戦争中に実施されましたが、なぜこれらの措置が民間人の犠牲者を防ぐことに常に成功したわけではなかったのですか？
Can you provide examples of some of these protective measures were implemented during the Bosnian War, and why were these measures not always successful in preventing civilian casualties?