年表作成・共有サービス - pastport

https://www.transtekcorp.com/products/electronic-scale/

It's important to learn to use a electronic digital weighting scale. There are six steps for using a electronic digital scale which give accurate readings you can rely on.
Step 1: please switch on your weight digital scale.

Step 2: you can choose your measurement preference.
Step 3: wait for the reading.
Step 4: calibrate weights.
Step 5: press the calibration button.
Step 6: restart your digital weight scale.

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