The pleura are the thin membranes that line the chest wall and envelop the lungs. Pleurisy is inflammation of the pleura, which causes the membranes to rub and grate against each other. Common causes of pleurisy include bacterial and viral infections, such as pneumonia.
Cost to Deliver Mulch. Mulch usually ranges in price from $10-$60 per cubic yard (27 square feet), not including delivery or spreading. 1  Rough wood chips fall on the low end of that range, while high-quality woods like cedar fall on the high end. 2  Most bark mulch and wood chips fall cost $20-$30 per cubic yard.
The most common are the asphalt types that cost around $80 to $100 per square. A square covers approximately one hundred square feet. There are also wood shingles or shakes (which are the types cut by hand instead of machine), and BuildDirect.com places the average cost of a square of cedar shingles at $160.