The importance of trees Trees are the largest and longest living organisms on earth. To grow tall the tree has become a miracle of engineering and a complex chemical factory. It is able to take water and salts out of the earth and lift them up to the leaves‚ sometimes over 400 ft above. By means of photosynthesis the leaves combine the water and salts with carbon dioxide from the air to produce the nutrients which feed the tree. In this process‚ as well as wood‚ trees create many chemicals‚ seeds
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HAZARDS EXAMPLE PHOTO Lava flows burn and bury crops. Mount Merapi‚ Indonesia - More than 350 people were killed. An estimated 75‚000 residents had been evacuated from the area between October to November 2010. Ash falls ruin crops and machinery‚ disrupt transport‚ pollute the air and cause breathing difficulties. Mount Etna‚ Italy - Grapes needed to be washed individually before consumption to avoid ingesting fine ash. This effectively ruined the grape crop economically‚ even though the
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Types of cutting tools: Single-point cutting tools can be classified by their motion as linear or rotator‚ depending on whether they rotate while cutting. Linear cutting tools include tool bits (single-point cutting tools and broaches. Rotary cutting tools include drill bits‚ countersink and counter bores‚ taps and dies milling cutters and reamers. Other cutting tools‚ such as band saw blades and fly cutters‚ combine aspect of linear and rotary motion. Following are different types of cutting tools:
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inspiring and interesting talk; entitled “HAZARD OF SMOKING”. DEFINITION FROM WIKIPIDIE A hazard is a situation that poses a level of threat to life‚ health‚ property‚ or environment. Most hazards are dormant or potential‚ with only a theoretical risk of harm; however‚ once a hazard becomes "active"‚ it can create an emergency situation. A hazard does not exist when it is not happening. A hazardous situation that has come to pass is called an incident. Hazard and vulnerability interact together to
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Oxy-fuel cutting Stolen from: http://groups.yahoo.com/group/castinghobby/files/Foundry%20Gases/Oxyfuel%20cutting.doc Oxyfuel cutting - process and fuel gases Mechanized oxyacetylene cutting system The oxy-fuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0.5mm to 2‚500mm‚ the equipment is low cost and can be used manually or mechanized There are several fuel gas and nozzle design options that can significantly enhance performance
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Anthropogenic hazards or human-made hazards can result in the form of a human-made disaster. In this case‚anthropogenic means threats having an element of human intent‚ negligence‚ or error; or involving a failure of a human-made system. This is as opposed to natural hazards that cause natural disasters. Either can result in huge losses of life and property as well as damage to peoples’ mental‚ physical and social well-being. Fire Bush fires‚ forest fires‚ and mine fires are generally started by lightning
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跟植物有关的话题最近非常多，大家要多加小心。这个贴给大家总结的是Plants和 Trees，大家发送 “花2014” 可以获得flower的答案。 Plants 你了解植物吗，知道如何种植吗，亲自种过吗？ Trees 你喜欢树吗，小时候爬过树吗，你喜欢树林吗，中国著名的森林是什么 Botany Botanical/botanic park Displaying a range or plants labelled withtheir names Greenhouse Seed Root Stem Bud Leaf Bud Blossom Flower Photosynthesis 新色西斯 Produce oxygen Absorb carbon dioxide 带奥克赛得 Organic Cucumber Weed Trellises Frankly‚ I know quite little about plants.All I know is some basic knowledge like a plant grows from a seed‚ then it has
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HAZARD amphetamines Many women are vying to be skinny to look attractive so that they select a shortcut‚ using slimming products. Though slimming products are not necessarily safe. Some slimming products found to contain a compound called amphetamines. Amphetamine is a compound that is quite commonly found in products slimming (weight loss)‚ which claims the product is free from hazardous substances. At first‚ circa the 1960s‚ amphetamines may be freely used for weight loss. Amphetamines suppress
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Natural Hazards – Bushfires A natural hazard is a natural event that has a significantly negative effect on people or the environment. Many natural hazards are related. For example drought can lead to famine and earthquakes can form tsunamis and landslides. Australia’s most common natural hazards are storms‚ cyclones‚ floods‚ droughts‚ heatwaves and bushfires. Natural Hazards have a major impact on Australian communities including loss of life‚ property damage‚ environmental destruction‚ and a
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Hazard administration is the recognizable proof‚ evaluation‚ and prioritization of dangers ( as the impact of instability on goals) trailed by facilitated and conservative utilization of assets to limit‚ screen‚ and control the likelihood as well as effect of deplorable occasions or to augment the acknowledgment of chances. Hazard administration’s goal is to guarantee instability does not avoid the attempt from the business objectives. Value beat is a chain marked down departmental stores crosswise
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