Goro, watch the scale on the crucible thermometer closely. As the melting of lead alloy progresses, tiny temperature shifts impact the finish of casting molds. (N3 lesson 9)
山道の案内板に記された注意事項に忠実に従って歩くことが、事故を防ぐ一番の知恵ですよ。
Walking in faithful accordance with the precautions noted on the trail signboards is the greatest wisdom for preventing accidents. (N4 lesson 18)
固定用の真鍮ネジを締め込むにしたがって、インクの膜が均一に広がっていくのが目に見えて分かるね!
As you tighten the brass set-screws, you can visually tell that the ink film spreads uniformly! (N3 lesson 19)
The storage battery voltage is dropping. Let's put on protective goggles and inspect the electrode terminals for corrosion. As time elapses, the dilute sulfuric acid level sinks, dropping conduction efficiency. (N3 lesson 51)
Yes, Boss! ...Ouch, when I rush my fingertips slip and I get the radical direction wrong. As I pile on repeated drills, fatigue in my arms is flooding in all at once... (N3 lesson 23)