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.
1 Simethicone (Gas-X, Phazyme) is an OTC medication used to reduce/relieve gas and the feeling of stomach bloating. 2  Dimenhydrinate (Dramamine) may be taken to control nausea and vomiting. 3  It is also recommended for motion sickness and dizziness. 4  It should not be used with sedatives as it may increase drowsiness.