Vinegar's acidity is what makes it such a good cleaner. Because vinegar is so acidic, it can counteract some icky buildups. It can dissolve away soap scum, brines left by hard water, and glue left behind by stickers.
The PCV valve is a control device which sends partially burned gases that come from the engine's crankcase to the combustion chamber. Its name, PCV means Positive Crankcase Ventilation and is one of the oldest and most used emission control devices.he PCV valve is a control device which sends partially burned gases that come from the engine's crankcase to the combustion chamber. Its name, PCV means Positive Crankcase Ventilation and is one of the oldest and most used emission control devices.
A Patient Controlled Analgesia (PCA) pump is an IV (intravenous) pump that allows the patient to manage his/her pain medicine. Patient Controlled Analgesia (PCA) has become a suitable and highly effective resource of relieving post-operative pain. PCA is a medication-dispensing unit equipped with a pump attached to an intravenous line, which is inserted into a blood vessel in the patient's hand or arm. The patient is able to self-administer doses of pain relieving medication (narcotic) on a needed basis, by means of a simple push button method.