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.
To begin teaching your child baby sign language, familiarize yourself with signs through books, websites or other sources. Set realistic expectations. Feel free to start signing with your child at any age â but remember that most children aren't able to communicate with baby sign language until about age 8 months. Keep signs simple. Start with signs to describe routine requests, activities and objects in your child's life â such as more, drink, eat, mother and father.