neželezné kovy 3 [vynechat] nonferrous metals alloys 2 [vynechat] aluminium 2 [vynechat] copper 2 [vynechat] founding 2 [vynechat] hliník 2 [vynechat] horčík 2 [vynechat] magnesium 2 [vynechat] meď 2 [vynechat] zinc 2 [vynechat] zinok 2 [vynechat] zliatiny 2 [vynechat] zlievarenstvo 2 [vynechat] metal processing 1 [vynechat] spracovanie kovov 1 [vynechat]