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There are thousands of bolts on the skirt of the Shinkansen train.
Usually those can be watched because those are under the platform of the station.
There are thousands of bolts on the skirt of the Shinkansen train.
Usually those can be watched because those are under the platform of the station.
M12で45newton metreくらいの力を掛けるので、
年寄りには大変な仕事でした。
まだ腕が熱いです。
これは4.8ボルトですね。