1. Steel with a surface that is much harder than the interior metal

Type of: steel

• bangle
• Bangor
• bangtail
• Bangui
• banian
• banian tree
• banish
• banishment
• banister
• banjax
• banjo
• banjoist
• Banjul
• bank
• bank account
• bank bill
• bank building
• bank card
• bank charter
• bank check
• bank clerk
• bank closing
• bank commissioner
• bank deposit
• bank discount