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

Type of: steel

• distressingly
• distressingness
• distributary
• distribute
• distributed
• distributed data processing
• distributed fire
• distributer
• distribution
• distribution agreement
• distribution channel
• distribution cost
• distribution free statistic
• distribution law
• distribution list
• distributional
• distributive
• distributive shock
• distributively
• distributor
• distributor cam
• distributor cap
• distributor housing
• distributor point
• district