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.
OAK bark Side Effects & Safety. Oak bark might be safe for most people when taken for up to 3-4 days for diarrhea. Oak bark can cause serious side effects such as stomach and intestinal problems, and kidney and liver damage. Oak bark might be safe for most people when applied directly to the skin for up to 2-3 weeks. When applied to damaged skin or when taken for longer than 2-3 weeks, oak bark is UNSAFE.