Iblade yokulima, incam yokulima, iblade ejikelezayo, iblade yeDISC

Zonke iimveliso zenziwe ngentsimbi ye-boron esemgangathweni ophezulu, emva kokuyila kunye nokulungiswa konyango lobushushu, ukuqinisekisa ukuba imveliso inokuqina okwaneleyo kunye nokumelana nokuguguleka. Iimveliso zithunyelwa eRashiya, eLithuania, eSpain nakwamanye amazwe, emva kovavanyo oluninzi lwemarike ngabathengi, ukusebenza kwayo kakuhle kukumgangatho ophezulu.