Answer :
The tool with a sharpened blade at one end and a sharp point at the other is an ice axe, used by mountaineers in climbing routes with frozen conditions.
The tool that you're referring to with one end having a sharpened blade and the other end ground to a sharp point is called an ice axe.
An ice axe is a versatile tool used primarily by mountaineers during both the ascent and descent of routes that involve frozen conditions.
The pointed end of the axe is used for piercing ice or for balance when climbing, while the sharpened blade is used for chopping or hacking at the ice or for use as support on soft snow.
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