Lenovo Z61t - Manual (Page 8)

Do not drop, bump, scratch, twist, hit, vibrate, push or place
heavy objects on your computer, display, or external devices.
Use a quality carrying case that provides adequate cushion and
protection. Do not pack your computer in a tightly packed
suitcase or bag.
Place liquids away from your computer to avoid spills, and
keep your computer away from water to avoid the danger of
electrical shock.
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