All these processes divide the raw coal into the following three categories: 1  Clean coal, having ash content approx. 7 - 9%. 2  Middlings, having ash content approx. 25 - 30%. 3  Rejects, having ash content approx. 65 - 70%.
What is the most important information I should know about Robitussin Head & Chest Congestion (guaifenesin and phenylephrine)? Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child.
BRAND NAME(S): Amidrine, Isocom, Midchlor, Midrin. USES: This combination medication is used to relieve tension and migraine headaches. Acetaminophen helps to decrease the pain from the headache. Isometheptene helps to narrow the widened blood vessels in the head.