Wood vinegar is a byproduct from charcoal production. It is a liquid generated from the gas and combustion of fresh wood burning in airless condition. When the gas is cooled, it condenses into liquid.Raw wood vinegar has more than 200 chemicals, such as acetic acid, formaldehyde, ethyl-valerate, methanol, tar, etc.ood vinegar is safe to living matters in the food chain, especially, insects that help pollinate plants. Wood vinegar is made from burning fresh wood in a charcoal kiln, made from a 200-liter oil drum and 120-cm-tall concrete chimney with a 4-inch diameter. The kiln contains 63-83 kg of fresh wood.
The average cost for an Audi A4 Serpentine Belt Replacement is between $80 and $144. Labor costs are estimated between $61 and $78 while parts are priced between $19 and $66. Estimate does not include taxes and fees.
The cost of replacing a serpentine belt in a vehicle depends on whether you plan to replace the belt yourself or whether you need the repair work done for you; both approaches have their pros and cons. A serpentine belt keeps your car's or truck's peripheral devices working flawlessly. dealership or independent shop will know the right belt to use for the vehicle, but expect labor charges to add anywhere from $60 to $200 to the cost of a $25 to $75 belt, as of 2010.