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.
Babies understand what you're saying long before they can clearly speak. Many babies learning to talk use only one or two words at first, even when they understand 25 or more.You can help your baby learn to talk if you: 1  Watch.2  Your baby may reach both arms up to say she wants to be picked up, hand you a toy to say she wants to play, or push food off her plate to say she's had enough.any babies learning to talk use only one or two words at first, even when they understand 25 or more. You can help your baby learn to talk if you: 1  Watch. 2  Your baby may reach both arms up to say she wants to be picked up, hand you a toy to say she wants to play, or push food off her plate to say she's had enough.