What does this sign mean?
Be careful, hot water is dangerous
What does this sign mean?
There is a fire extinguisher here
What does this sign mean?
Be careful of electricity
What does this sign mean?
Be careful on stairs
What's this?
a lighter
What's this?
a rug
What's this?
a knife
What're these?
knives
What's this?
a heater
What's this?
an iron
What're these?
stairs
What're these?
matches
What's this?
a burn
What's this?
a cut
What's this?
a fall
