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.
There is no known safe amount of alcohol to drink while pregnant. Vaccinations: Talk to your doctor about vaccinations (shots). Many are safe and recommended during pregnancy, but some are not. Having the right vaccinations at the right time can help keep you and your baby healthy.Flu and Pregnancy: If you're pregnant, a flu shot is your best protection against serious illness from the flu.here is no known safe amount of alcohol to drink while pregnant. Vaccinations: Talk to your doctor about vaccinations (shots). Many are safe and recommended during pregnancy, but some are not. Having the right vaccinations at the right time can help keep you and your baby healthy.