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High efficiency air filter is generally used as the filter end, so the requirements for high efficiency filters are also the most stringent. High efficiency filters are the most critical level of filter at all levels and require additional "viewing". The most fundamental way to extend the life of an efficient filter is to keep the dust in the prefilter. The replacement of pre-filtration usually does not need to be discontinued, without debugging, so experienced owners will put their attention and money on the prefilters. For the 10,000 and 100,000 clean plants. Prefiltration can be used with F8 filter, which can last up to five years. F8 filters are the most common prefilters in foreign projects and domestic new projects. For chip plant 100, level 10 or higher, the common efficiency level of prefilters is H10, and many new items are selected for HEPA. In the design of clean room air conditioning system in the past, the filter is commonly configured as: effective and efficient. At that time, the life of high efficiency filters was only 1--3 years, and the worst was months. Therefore, the efficiency of the prefilter determines the life span of the end-filter
No skin, hair stand team spirit are not against the individual character make public, but personality must correspond to the action with the team, have the overall consciousness, global ideas, want to consider the needs of the team as a whole, and spare no effort to joint efforts for the goal of the team. Only when team members consciously think about the interests of the whole team, he will only make people confused problem, in order to allow the team to maximize profit as a fundamental, unremitting, natural won't because work with related department to fight tooth and nail for friction, will not haggle over every ounce for differences of opinion between colleagues, more not because the company to own a mistreated and resentment in the heart. The decision of the boss and the company requires a high level of identity, which is also a reflection of global consciousness. Because the boss and it is a team at the top of the command center, each subordinate or employee must obey them, and cooperate with them, the team to stay strong and lasting fighting capacity, enterprise can grow. In the team, a person is small compared to the whole team, too much care about individual gain and loss, never really integrated into the team! And people with strong global awareness will ultimately be the biggest beneficiaries!
Texting while driving takes the driver?s attention outside the road or traffic around them. These actions can result in an accident, in which severe injuries can happen from the trucker?s negligence. Although texting is an easy daily activity, all senses are impaired through the act, making texting behind the steering wheel of the moving car worse than driving while consuming alcohol or drugs.
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