Tobacco Products:
Nicotine is the chemical present in all tobacco products and when tobacco smoke is inhaled in to the body, nicotine reaches the brain and it disrupts the functioning of the brain.

Cannabinoids:
These are the drugs derived from the cannabis plants and it is also called as marijuana. It is the most famous illegal drug in the United States.

Narcotics:
Heroine, codeine, Vicodin, morphine and oxycontin etc are the narcotics which are used to get relief from the physical pains.

Club Drugs:
Club drugs like Ecstasy tends to create a sense of euphoria and an expansive love or desire to nurture others. When taken in excess it increases body temperature to the point of being fatal.

Inhalants:
Inhalants are usually contained in household cleaners. These are most commonly abused substances. They can damage the brain and may lead to death.

Alcohol:
Alcohol is an intoxicating liquid that is obtained from fermented grain or fruit. Though alcohol is legal excess consumption causes many chronic diseases.

Phencyclidine:
This drug can cause the user to feel extremely paranoid and the user becomes quite aggressive and gets an unusual amount of physical strength. This is also referred as PCP.

Anti anxiety drugs:
These substances depress the nervous system, they can cause death by respiratory arrest of the person if taken in overdose or combined with other nervous system depressant drugs.

All the above drugs are illegal and are fatal. Hence, teens who unknowingly get addicted to them should avoid these drugs and the one’s who are aware of these drugs should avoid them.

Alcoholism:
Alcoholism is a chronic illness characterized by the habitual intake of alcohol. It acts on central nervous system and reduces anxiety, inhibition, and feelings of guilt. Alcohol addictions also damages the brain, liver, heart, and other organs in the body.

Nicotine Addiction:
Nicotine is a psychoactive drug that induces euphoria, makes the smoker to use it more and leads to nicotine withdrawal syndrome when it is absent. Factors like nicotine dependence, genetic factors, and psychosocial factors influence maintenance of smoking behavior in the people. Nicotine persists in the body up to 72 to 96 hours after smoking is stopped. Nicotine affects the mood and performance and is the source of addiction to tobacco.

Cocaine Addiction:
It is a type of drug that tends to stimulate the nervous system and it is derived from the leaves of coca plant. It causes increase in the pulse rate and the blood pressure resulting in heart strokes.

Ecstasy Addiction:
It is also called as MDMA, this drug tends to create a sense of euphoria and an expansive love or desire to nurture others. When taken in excess it increases body temperature to the point of being fatal. Ecstasy addiction often results in exhaustion, dehydration and death.

Heroin Addiction:
It is a drug prepared from the seed pod of poppy plants and it is available in powder. It can also be injected directly in to the body and this is the reason for creating a high risk of contracting AIDS and hepatitis B or C. It also responsible for collapsed veins, abscesses, bacterial infections, infection of the valves and heart lining.

Methamphetamine Addiction:
These drugs can be orally ingested, inhaled, smoked or injected and it is an appetite suppressant. Getting addicted to these drugs leads to hallucinations, paranoia, weight loss, stroke, repetitive behavior and mood swings.

Prescription Drugs Addiction:
Prescription drugs are the drugs which are prescribed by a physician to treat physical pain, anxiety and sleep disorders etc. Many patients become dependent on them and continue to digest them even after the disease is cured and this leads to addiction to those drugs. Addiction to prescription drugs causes high body temperature, irregular heartbeat and the risk of cardiac arrest.

Anabolic Steroids Addiction:
These are generally used by body builders and athletes and they cause psychological effects like aggression and paranoia, physical effects like infertility and organ failure.

Opiates Addiction:
These are also called as narcotics and they include drugs like heroine,codeine, Vicodin, Percocet, and Percodan. They shows their effect on the functioning of the nervous system and they also effects respiratory system.

Cannabis Addiction:
It is commonly called as marijuana and this is mixed with substances like baby powder, oregano, embalming fluid, PCP, opiates, and cocaine.
Different types of drugs have different symptoms, which should be identified as early as possible, preventing the further damage.

Drug abuse induces the symptoms which resembles mental illness. The person abusing drugs neglects his responsibilities at school, work, or home. Weight changes or unusual eating patterns, change in normal sleep patterns, frequent infections or infections which don’t heal, memory lapses, frequent minor illnesses like headaches, nausea, slight tremors, flu like symptoms, vomiting, sluggishness and smelling of alcohol, marijuana etc., are the physical signs and symptoms of a person who is abusing drugs. Anxiety, depression, mood swings and impaired judgment etc., are the psychological symptoms.

Effects of Drug Abuse:

• The main effect of drugs is on the brain and they alter the the areas of the brain responsible for self control, judgment, emotional regulation, motivation, memory, and learning.
• Heavy doses of drugs may cause irregular heartbeats, and it may increase the blood pressure, heart attacks, and other heart damages in the abusers.
• Sharing hypodermic needles used to inject some drugs also increases the risk of contracting AIDS and some types of hepatitis.
• Other key functional organs like liver, kidney and lungs are also effected.
• Drug abuse also effects the family relations and other relations.
• Society also gets effected in many ways with the drug abusers because of the accidents caused while drugged driving and drug abusers may cause disturbances at the work place.

Drug abuse is a curse to individuals. Hence, after studying all the above effects, it is the best step to stop drug intake.

• Cyalume is a chemiluminescence ingredient that produces the glow when combined with hydrogen peroxide.
• Hydrogen peroxide is an activating compound used in glow sticks. When mixed with cyalume, it gives a glow.
• Ammonium Carbonate is used to help the chemical reaction in the glow stick. It acts as a mixing agent for other chemicals present in the glow stick.
• Luminol is a typical fluorescent dye that is used in glow sticks.
• Distilled water is also added to glow sticks to dilute the hydrogen peroxide when making the solution.
• Sometimes, Copper Sulfate Pentahydrate, which is a blue crystal is added to a glow stick to create a bluish glow.

All these chemicals are present in the glow stick tube that are separated by a glass ampule or a glass tube. When you bend the glow stick, you hear a crack sound indicating that the glass tube is broken. The chemicals present inside and outside the ampule combine causing the reaction. So when using the glow stick, shake it well to ensure that the compounds are mixed well.

Following are the types of costs incurred by a firm in implementing the supply chain management:

Material Acquisition Cost:
These are the costs incurred by the firm in acquiring the materials

Purchasing Cost
The costs associated with both the strategic as well as the tactical parts of the purchasing process.

Raw Material Warehouse Cost
The cost centers associated with the receiving, storage, and transfer of raw materials.

Engineering and Tooling Cost
The costs associated with the engineering and tooling costs for raw materials.

Transportation Cost
Cost incurred by the company for transportation of the raw materials from the supplier to the company.

Accounts Payable Cost
Cost centers that have to do with the processing and closure of supplier invoices including credit and disputes.

Planning Cost
These costs are incurred due to the planning activities conducted by the business.

Demand Planning Cost
These costs are associated with the forecasting and overall demand management.

Supply Planning Cost
The cost centers allocated to supply planning including overall supply planning, distribution requirements planning, master production planning, production scheduling.

Inventory carrying costs are the costs associated with carrying of inventory through out the supply chain and this includes opportunity costs, obsolescence and shrinkage costs of the inventory, taxes and insurance costs.

Businesses also involves IT application and IT operational costs for the implementation of the software in the supply chain.

Order management costs includes customer service costs, finished goods warehouse costs, contract and program management costs, installation planning and execution costs, accounts receivable costs.

These costs are related to different units of business.

Scope of supply chain management is vast because the stake for the different players is extremely high making it imperative for the partners like suppliers, manufacturers, distributors and customers behave as if they are part of the same company. The scope of the supply can be defined by its principles like customer management, process integration, leveraging of manufacturing and sourcing, strategic alliances and relationship management, etc.

With the globalization the businesses all over the world are trying to be in the competition by adopting new technologies introduced in the business world. The information technology plays a vital role in enhancing the performance of the supply chain by integrating the partners in the supply chain. Vendors, manufacturers, wholesalers, retailers can share the information and make the receipts, payments electronically with the use of a supply chain software.

The supply chain management is applicable in many types of industries including food industry, retail industry, petroleum industry, cocoa, coffee, tea industry, fruit industry, automobile industry, pharmaceutical industry, paint industry etc.,

Scope of the supply chain is considered as the one of the competitive advantage for the business and it increases with expanding globalization. The supply chain also offers many career opportunities in the fields of procurement, inventory control, strategic planning, distribution, transportation, etc.

• There are many considerations while choosing an overcoat, among them important one is to choose the length of overcoat that goes well with the other outfits on which you will wear the overcoat and the length also depends on your workstation.
• Buying a standard overcoat is a better option because trendy overcoats may be of no use when the trend changes.
• Choosing the right color and the material that suits your normal outfit is also important and always opt for dark color shades.
• Also choose the overcoats which have pockets to hold some stuff.
• Think of how much time you will use the coat each day. Choose the coat that suits your off-work hours.
• Comfort is the main criteria while choosing the overcoat, so choose an overcoat which do not restrict physical movement and it is advised to choose a short overcoat if you drive or travel in a car.
• If you choose to buy a wool overcoat online, communicate the exact chest and shoulder measurements with the online retailer.
• Choose an overcoat which lasts for long time because some coats like wool overcoats are expensive and cannot be bought too frequently.
• Check the hanging threads, exposed linings, loose buttons and zippers before buying.
• Buy an overcoat which suits your body type as well as body shape and size.
• Online clothing stores and auction sites are some of the best sources that you can get the best overcoats for men.

Based on the above given tips a good overcoat can be purchased.

The types of crank case ventilation systems are:

(A)Closed crankcase ventilation systems (CCV):
The Closed Crankcase Ventilation System by eliminating the crankcase emissions elevates the level of exhaust emission reduction. The gases of crankcase normally escape into the environment from the crankcase vent tube. EPA has approved that Closed Crankcase Ventilation (CCV) Systems reduce the pollutants released from Closed Crankcases when combined with a Diesel Oxidation Catalyst. The CCV systems gives benefits like, improves passenger compartment air quality in buses, reduces fouling in the engine compartment, eliminates 100% of crankcase emissions at all times .

(B)Positive Crankcase Ventilation:
In 1961, the first PCV systems were introduced in the cars of California. The Positive Crankcase Ventilation (PCV) system reduces blow by emissions from the engine. About 20% of the total hydrocarbon (HC) emissions produced by a vehicle are blow by emissions from gases that get past the piston rings and enter the crankcase. PVC contains a variable restriction valve that can react to changing pressure values and intermittently allow the passage of the gases to the engine’s intake stream.

In the view of environmental protection such as simple ventilation systems are not enough and passage of oil and gases must be prevented via a closed system.

There are two types of techniques used in mechanical ventilation, they are

(A)Negative pressure ventilation:
In artificial ventilation the devices develop negative pressure around the patient’s chest. The best example for negative pressure ventilation is ‘iron lung’ or tank ventilator which was used widely during the poliomyelitis outbreak in the early 1950s, but originally it is invented long before in 1929. In this mechanism the patient will be placed inside the tank which is sealed completely by an airtight fit around the neck. Air is rhythmically sucked out from the tank and blown back in. Thus alternating negative and positive pressure is developed in the tank causing air to flow in and out of the patient’s lungs.

(B)Positive pressure ventilation:
This type of artificial ventilation is now the most common type in medical practice. This is much more invasive than the negative pressure form of ventilator. The patient is first anesthetized, and then injected with a muscle relaxant which stops the breathing. Then the endotracheal tube is passed down from in between the vocal cords into the patient’s windpipe. A machine then delivers gas in rhythmic bursts at positive pressure which forces gas into the lungs. Each time the positive pressure is withdrawn the patient breathes out because of the passive recoil of the lung tissue. The gas used contains great amount of oxygen.

Artificial ventilation is used in cases of surgical operations where the patients can not breathe by themselves. The delivery of oxygen and removal of carbon dioxide from the body is done through the artificial ventilation.

The above two techniques are used in mechanical ventilation system for the treatment of patients.

Basically there are 4 types of ventilation, they are

(1)Mechanical ventilation:
Through a local exhaust, fan infiltration or natural ventilation occurs which increases the ventilation air flow rate.

(2)Natural ventilation:
Without the use of mechanical systems like fan, blower or power equipment if the air in a space is changed with outdoor air, natural ventilation occurs. Most often natural ventilation occurs through the use of operable windows, temperature and pressure differences between spaces. Even though open windows or vents are good to use in normal spaces it is not a good choice for ventilating a basement or other under ground structures. Because allowing outside air into a cooler below ground space will cause problems with humidity and condensation.

(3)Mixed Mode Ventilation:
It is also called as hybrid ventilation, and it is a combination of both the natural and mechanical ventilation processes. The mechanical and natural components may be used together or separately at different times of day. A well designed mixed mode building has an intelligent facade design at the beginning to minimize cooling loads. It then integrates the use of air conditioning.

(4)Infiltration:
Infiltration is also sometimes called as air leakage, infiltration is the process of accidental introduction of outside air into a building through the cracks, doors, etc. Infiltration is due to wind, building pressurization and air buoyancy forces known as the stack effect.