Toro 30612 Operator's Manual page 6

Battery acid is poisonous and can cause burns. Avoid
contact with skin, eyes and clothing. Protect your face,
eyes and clothing when working with a battery.
Battery gases can explode. Keep cigarettes, sparks and
flames away from battery.
Hydraulic fluid escaping under pressure can penetrate
the skin and cause injury. Use cardboard or paper to
find hydraulic leaks. Never use your hands.
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