Clean the shave after each use to keep the cutting edge sharp.

每次使用完后要清理电动剃须刀以保持刃口锋利。

youdao

Thin edge(about 1mm thickness)slitting with automatic and manual grindstone grinding to keep edge sharp and make slit paper smooth and tidy.

采用薄刀分切（厚度仅为1毫米）、设有自动、手动砂轮磨削，保持刀刃锋利，使分切的纸板平滑整齐；

youdao

Similar hardness and white fused alumina, white fused alumina than in the high toughness, abrasive cutting edge sharp edges and corners to keep good, high durability.

与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎较强。

youdao

Flip them and brown the other side (if they stick, loosen them with the edge of a sharp metal spatula).

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