add the handles with rubber
no it is not because the fumes might get to there heads and make them dosey
I think a burning and unattending candle is not safe because little kids can burn on the candle.
Burning of metals in fireworks is a chemical reaction and is what makes the fireworks glow with different colors.
yes. it is safe to make ice in plastic trays.
Yes, that is quite true. Manufacturers nowadays seek safe materials.
Not safe to serve but is safe to make
Because smart engineering people designed them and chose the materials to make them as safe as they can.
yes it is safe. although you can still receive STD's orally so make sure you partner is clean and you will be safe.
No because it will rot
No. Never.
yah, steel disipates the heat without burning stuff. Have to have an oxy aceatal cutter.
Materials should be stored properly so that animals like lizards or cockroaches may not be able to get in contact with them which will make them unhygienic. If materials are not stored properly and if you cook with them or make use of them in anyway you might fall sick. So its a better choice to be more hygienic and safe by storing materials properly.
The container would be the first thing to consider. This may be exothermic. Then what materials, when decomposing, give off the gasses you are seeking. Safe containment of the resultant product and a safe easy way of cleaning up when you are done. In some countries their are low cost biogas projects that reduce the need for deforestation
I don't think it would be safe. Ask your doctor to make sure.
Safe diwali can be played by not burning crackers. Crackers cause air pollution.
They make special formulas for cats. I give mine a gel of glucosamine and chondrointon, made for cats.
Intrinsic safety is a protection technique for safe operation of electrical equipment in hazardous areas (e.g. explosive materials, flammable materials).