A 'ring' is an organized group of criminals. Crack down on = exert increased legal pressure on.

No. How could a preposition mean 'cost'? It is a function word. 8. in consideration or payment of; in return for: three for a dollar; to be thanked for one's efforts.

In English, we do not have to invent a word for the spaces; they are spaces. Using the word 'gas' is a misnomer, since that is not necessarily what is contained in them. I am not an anatomist, but believe these spaces would all be called ' sinuses '.

All are poorly structured. Some European languages, such as / like / for example, French, Italian and Spanish, come from Latin.

Please don't double-post. Get your thoughts in order to be sure you have completed your idea before posting. #1-- comma before and after 'for example'. #2-- can't be done that way: the second part is a sentence fragment.

'For example', like 'namely' and 'for instance', always takes commas fore and aft.

Conversely, when ascending, the surrounding pressure decreases , and the sinuses and middle ear become relatively over-pressurised, forcing air out of them spontaneously . If a Eustachian tube or a sinus entrance closes or even narrows during

Under either of these conditions , a CT scan may show lesions in the brain or will be negative but will not show pneumocephalus (10). Pneumocephalus is the presence of air or gas within the cranial cavity. It is usually associated with disruption

Authors also recommend that all divers with upper respiratory tract infections, sinusitis, rhinitis or nasal abnormalities refrain from diving in order to prevent pneumocephalus. Cessation of smoking is recommended in order to reduce the

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