Pick from: 1. Therefore, if you suspect that something combustible might be in your fireplace, remove it and store it in a safe place. Do not allow pets or children to enter your home while watching a fire; even unexpected small children can cause problems with burns.. 2. Make sure to ensure that any fireplace/wood you're using is equipped with fire extinguishers. Always contact the professionals or fire extinguisher experts if you are not sure where to get a fire extinguisher at this point.. 3. Only burn tinder (such as pine needles or tiny sticks), kindling (small sticks or pinecones), and fuel (large logs, up to about 14 " long). Burning hardwood (such as maple and oak) will diminish the amount of soot and ash buildup in your chimney.. 4. Use candles and incense to keep yourself safe. You can light incense infrequently..Choose from options above and answer: What most naturally follows?

How to use a fireplace safely
Burn safe materials.
Only burn natural materials in your fireplace; never introduce foreign substances, including cardboard, newspaper, or paper trash. These substances burn poorly, produce a lot of smoke, and release chemicals into the air.
Answer:
3.