Thus, surplus value is the intrinsic essence of profit, and profit is the phenomenon form of surplus value. Surplus value into profit, the profit and then into average profit, etc., hierarchy, the more the more escalated from abstract to concrete, it is close to the reality of capitalist society and the consciousness of the capital relationship between the parties; As a result, capital relations are becoming more and more mysterious as they leave their own source or base and get further and further away. Bourgeois economists for capitalism exploitation system, trying to deny the existence of the surplus value, no conflict between capital and employment, the product of the profit as capital itself, as the result of both production and circulation process. The so-called trinity formula of profit (interest), labor wage and land rent is the most explicit and typical defense argument of bourgeois vulgar economy. Marx's theory of profit is the transformation form of surplus value, profoundly reveals the essence and source of the profit, and profit further transformation of various concrete form again and they reflect the complexity of the capitalist production relations and class performance, thus for the proletariat and working people struggle against the bourgeoisie, and fight for the liberation of revolution provides the theory of sharp weapons. Ultrasonic Bird Repeller system that gets rid of birds infestation having a silent to human audio attack. This automated sound system uses four internal speakers to emit high frequency sound waves and audio signals. Ultrasonic Bird Repeller has ultrasonic sound waves to wisely scare, annoy, and Bird Control as well as other wildlife. Ultrasonic means that it can be virtually silent to humans. Effectively eliminate birds and keep an appropriate environment for your all. Ultrasonic Bird Repeller sounds are built to confuse, disorient and intimidate pest birds to quickly scare them away in the effective area as much as 6,500 sq ft. The intense Ultrasonic Bird Repeller sound is measured at 112 dB, nearly equal to a jet airliner taking off. Ultrasonic Bird Repeller transmits sounds that birds perceive danger whenever they hear these sounds. They become agitated and disoriented: believe that their flock mates will be in trouble so that they flee the region to never return. Target birds which has a species-specific approach - not scattershot. Ultrasonic Bird Repeller utilizes a combination of harassments to make a menacing environment that scares birds away without causing them harm. Cat?s Claw (una de gato); Cat's Claw is really a tropical vine that grows in rainforest. This vine gets its name through the small thorns on the base of the leaves, which appears to be a cat's claw. These claws let the vine to add itself around trees climbing to your heights up to 150 feet. The inner bark of the vine has been used for generations to help remedy inflammations, colds, viral infections, arthritis, and tumors. Hacking is "a man who is passionate about the workings of systems and computers, especially the web".