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.
Video: Good in Sign Language. Signing: To sign good, take your outstretched hand with fingers together. Start with your fingers on your chin and move your hand out and down in an arc. The sign for good is a bit like you are blowing out a kiss, but your hand is a little lower down.Figure: Good in Baby Sign Language. Usage: Use good with things that your baby enjoys, particularly food. When your baby is visually pleased by an experience, use the good sign.When you say emotional signs like good, use a rising inflection to help communicate the meaning to your baby.igure: Good in Baby Sign Language. Usage: Use good with things that your baby enjoys, particularly food. When your baby is visually pleased by an experience, use the good sign. When you say emotional signs like good, use a rising inflection to help communicate the meaning to your baby.