Ford motor co., in 1915, produced a car that was different from a horse model In addition, the national standard has strict regulations on the content of various chemical components of gasoline such as benzene and olefins. Alkenes are high in content, which can produce gelatinous substances in the process, and accumulate in intake manifold and valve catheter. When the engine is in normal working temperature, there is no abnormal phenomenon; When the engine has cooled for some time, the glial will stick the valve inside the valve tube. When you start the engine, you will have a top valve phenomenon. The toxic benzene content should not exceed 1%. What the central bank can do to prevent the threat to its independence becomes more transparent. They can announce the votes of individual board members on all matters related to the policy and publish the minutes without delay. They can hold more press conferences and be less trite in explaining their policies. They can avoid debate on issues far from their task. They can admit that politicians have a right to determine the central bank's mission objectives. The first question to take into account in relation to salary negotiation is the place to get the conversation, which is crucial to remember here that employers DO use both salary expectations and current earnings to sift candidates out and in. Show your hand too early and also you might never have even the chance to reach the negotiation stage. The other thing to make note of is that until such time because you have been interviewed and had the chance to find out what exactly the career involves, you can not possibly know very well what it's worth. Never add a salary expectation or indicate your overall or past salaries inside your resume or on an application form, never discuss remuneration at the first interview and constantly hand it over to the employer to boost the topic in any respect. The time to dicuss funds are only after you have received employment offer. Before this point, your efforts must be on impressing the recruiter along with your skills, accomplishments and enthusiasm. When you know for many the company desires to hire you, your bargaining power will likely be at its strongest. The response to multilayered values is rational. Rational (including abstract thinking with image thinking) is higher animals, are now known to have intelligent human only) on the basis of intellectual responses, to the further development of it by means of language, text or image will intellectual formed by various basic concept and basic image fixed in the form of the second signal system in the brain, and within the brain to be more complex, the deeper, longer series "sex", "rigid instinct", "elastic instinct" and "intellectual" and other forms of reaction. Among them, the cognition of the relation between the basic concepts forms the abstract thinking, and the person's understanding of the relation between the basic images forms the image thinking. Rationality is human to the second signal system of "reflection" type of reaction activity, it can find out the basic concept and basic image, more general internal relation and essence difference between to discover things between the movement of more general and more abstract and change rule. For example, people form "water" and "to..." through the practice of production and life. To ", "low" and "flow", the concept of nouns, prepositions, adjectives, verbs, between these concepts through a certain form of conditioned reflex established a mutual connection, thus obtained the "water flows downwards" such a logic rules.