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.
1. Begin in Utero. There are a number of benchmarks in your babyâs road to talking. Those exposed to more than one language will often hit these benchmarks around the same time for each language. Many believe the first steps to talking begin in utero. During this time your child will get used to the sound of your voice and begin to pick out their motherâs voice amongst others. 2. Cry During the Time from Birth to about 3 Months. From the time babies are born until they are around three months old, crying is their main form of communication.