Step 1: (BEFORE) Our project is to show an old stepladder & eliminate the screeching noise it makes from friction by using WD 40. Step 2: Show WD 40 & describe its use. Step 3: Apply WD 40 to the ladder joints. Step 4: (AFTER) Show ladder which now makes no noise. Step 5: Show WD40 & say thanks, it restored the ladder.
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