Warnings and safety measures for lead-acid batteries: Electrolyte:

CAUTION:

Can cause severe injury to the eyes, skin and mucous membranes.
Inhalation can damage the respiratory system.
Swallowing is harmful to the digestive system.
First aid: Rinse eyes and immediately consult first aid station or inform doctor.

Never tilt battery. Acid can leak out of the gas vents.
Soak up spilled electrolyte with binding agent and neutralize any residual electrolyte.
Never allow electrolyte to come into contact with hands.
Avoid contact with skin.

Never touch mouth, nose or eyes with soiled hands.
Immediately change any clothing affected by electrolyte and place in water if necessary.
Do not eat, drink or store foodstuffs at workplace.
Wash thoroughly before breaks and on completion of work.