In such a fine powdered form, iron can burn, due to its increased surface area. The primary utility of iron filings is in the study and teaching of magnetism and electromagnetic fields. The substance makes impressive demonstrations when sprinkled on a white card placed on top of a permanent magnet, such as a bar magnet.
Here are a few of the specific jobs that are unsafe for pregnant women: 1  Farming. 2  Dry Cleaners. 3  Factory work where there is chemical exposure, too much heavy lifting, or a risk for falls. 4  Print Shops. 5  Craft shops that expose you to drying chemicals, paints, etc.6  Highway worker. 7  Toll Booth operators.8  Construction.obs that are unsafe for pregnant women include: 1  Any job where you are working with hazardous chemicals such as pesticides, toxic cleaning solutions, lead, second hand smoke, etc. 2  Any position where you are doing heavy lifting.
If you must drink coffee, drink decaf. slide 3 of 7. Soda Pregnant women often wonder if it is safe to drink soda or diet soda during pregnancy. The biggest problem with soda is that it's high in sugar. Some sodas, especially diet sodas, may contain the artificial sweetener, saccharin. It is also found in Sweet N Low, an artificial sweetener used as a sugar substitute.