This fact sheet answers the most frequently asked health questions (FAQs) about perchlorates. For more information, call the ATSDR Information Center at 1-800-232-4636. This fact sheet is one in a series of summaries about hazardous substances and their health effects.erchlorates are colorless salts that have no odor. There are five perchlorate salts that are manufactured in large amounts: magnesium perchlorate, potassium perchlorate, ammonium perchlorate, sodium perchlorate, and lithium perchlorate. Perchlorate salts are solids that dissolve easily in water.
Instructions. 1  1. First of all, start with few and easy sign languages. Introducing too many signs at one time will be a useless effort. 2  2. Introduce the signs to your children in such a way as âyou say the word.â It helps in associating the word with the sign language.
Research shows that the quantity of words spoken to an infant positively [affects] language development, Artemenko says, so use proper words to continue talking, reading, and singing to your baby. Baby Talk: A Month-By-Month Timeline; What Talking Milestones Parents Should Expect Once your baby has had more practice using his lips and tongue to form sounds, usually around 6 to 7 months, his babbles will become more speech-like. So you'll hear a bigger variety of sounds, like ba ba-pa-ta-bi bi bi, Dr. Paul says.