Lead Element: (Properties + Uses + Facts) - Science4Fun
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Lead becomes stronger than steel under extreme pressures
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Eveready Compact LED Metal Flashlight Water Resistant, Includes 3 Super Heavy Duty AAA Batteries, 21 Lumens , Black - Led Household Light Bulbs - Amazon.com
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Rugged Metal Pushbutton with Red LED Ring [16mm Red Momentary] : ID 559 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits