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Recycling of the knife / Recycling of the knife

Recycling of the knife

Use knife pencil or other purposes, typically use are front portion and a rear end portion is substantially not used, the front part of the rust after a period of time will be difficult to use.
The cutter removed, the position of the blade to be exchanged, the blade is new, you can during use.

University

XI'AN UNIVERSITY OF SCIENCE AND TECHNOLOGY

XI'AN UNIVERSITY OF SCIENCE AND TECHNOLOGY
XI`AN, China