FFmpeg encompasses software implementations of video and audio compressing and decompressing algorithms. It is also given in cord compression, where a tumor is compressing the spinal cord. The process of compressing gas into a diving cylinder removes moisture from the gas. Some pliers are equipped with a crimping tool for the purpose of compressing crimp connections. This pathology relates to the inflammation of tissue affecting blood flow and compressing nerves. Compressing the trie and merging the common branches can sometimes yield large performance gains. The device was capable of compressing powder into a tablet without use of an adhesive. The same effect can be observed when compressing and uncompressing files with some file archivers. Vapor temperature is augmented within the pump by compressing it. They are also useful for bending and compressing a wide range of materials. Compressing the air increases its pressure and temperature. The proposal involved compressing high-definition video onto dual-layer standard DVD-9 discs. It resists the movement of the bench press by compressing and building elastic energy. The technique of compressing wood pulp into pellets or artificial logs can reduce emissions. Historically, information theory was developed to find fundamental limits on compressing and reliably communicating data.