A nurse teaching the parents of a 10-month-old infant about home safety. Which of the following information should the nurse include in the teaching? (Select all that apply.)

Install accordion style gates.

Fit the mattress so that it is snug against the sides of the crib.

Tie plastic bags in knots before discarding them.

Set the water heater at 65.6° C (150° F).

Serve food in small, non-circular pieces.