In our experience, the reason for most of those failures is that in their rush to change their organizations, managers end up immersing themselves in an alphabet soup of initiatives. They lose focus and become mesmerized by all the advice available in print and on-line about why companies should change, what they should try to accomplish, and how they should do it. This proliferation of recommendations often leads to muddle when change is attempted. The result is that most change efforts exert a heavy toll, both human and economic. To improve the odds of success, and to reduce the human carnage, it is imperative that executives understand the nature and process of corporate change much better. But even that is not enough. Leaders need to crack the code of change.
Standard size concrete specimens cast in 6- by 6- by 21-inch (152- by 152- by 533-mm) molds in accordance with AASHTO or ASTM procedures weigh approximately 65 lb (30 kg), assuming a concrete density of 150 lb/ft3 (2400 kg/m3). When metal molds are used, the combined total mass of the beams can exceed 100 lb (45 kg). A specimen of this size and weight is hard to handle, cumbersome, and can become a safety hazard to the testing personnel.
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In this case, the combined mass of the concrete specimen and the mold is approximately 45 lb (20.5 kg), i.e. less than 50 percent of the total mass of the standard size beam. This is a dramatic reduction in total mass and makes the smaller size specimens much easier and safer to use. Figure 3 visually compares the mold for both beam sizes. For the sake of brevity, the two sizes will be referred to as standard beams and small beams for the rest of this TechBrief.
Lead-based paint is still present in millions of homes, normally under layers of newer paint. If the paint is in good shape, the lead-based paint is usually not a problem. Deteriorating lead-based paint (peeling, chipping, chalking, cracking, damaged, or damp) is a hazard and needs immediate attention.
Although Instagram has cracked down on third party services that peddle in fake followers and inauthentic engagement, it appears that marketers remain skeptical about the scope or effectiveness of this ban.
Thailand: The country is a hub for regional human smuggling and serves as a common transit point for Rohingya. Migrants often arrive by boat from Bangladesh or Myanmar before continuing to Indonesia or Malaysia. The military-led Thai government cracked down on smuggling rings after the discovery of mass graves in alleged camps where gangs held hostages. But some experts say that while punishing traffickers disrupts the networks, it does not dismantle them.
Table V-3 and V-4 show various transmission loss values for common building materials at specific frequencies and material thicknesses. Note that the values in these tables are measured under ideal laboratory conditions as a resource for comparing different materials. In the workplace, the noise exposure experienced by the receiver would not actually be reduced by the reported transmission loss value, because imperfections in enclosures, barriers, or other noise controls made of these materials permit sound to go around the material, leak through cracks or utility paths, or pass through other materials with lower transmission loss values (e.g., a door jamb, window glass) that were also used in construction.
The dimensions of the barrier are also important. In general, the width of a barrier on either side of the noise source should be twice the height of the barrier. Additionally, any cracks or gaps in the barrier can significantly diminish the transmission loss value. Any gap through which air can pass will allow a significant amount of noise to pass as well.
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