Purity Brewing beer 106 in Warstein Dräger Review Into the Fire Dräger Review Flashover in the forest Ethics 106 Technology for Life 3 / 2012 The burden 2012 3/ Saturation Diving of decisions World Under Water Tough job for commercial divers EN_01_Titel_Tauchen.indd 1 16.11.12 14:28 ORIGINS UBL ECA VALVE A I L O T NZE, FO U IN K T R A : M : aph OGR T O ph COVER COVER A KGa O. O. & C G : DRÄGERWERK A : DRÄGERWERK Y H AP OG T O H P R Did you know... …what a valve for dispensing beer has to do with the company? In 1889 Johann Heinrich Dräger founded a sales and distribution company, which included beer dispensers, that worked with compressed carbon dioxide. But the beer flowed inconsistently – or at least it did, until Mr. Dräger invented his Lubeca valve. From then on the beer poured into glasses in a steady stream. This is the source of an innovative company – the valve, not the beer. 2 DRÄGER REVIEW 106 | 3 / 2012 EN_02-03_Urspruenge_Inhalt.indd 2 15.11.12 12:47 CONTENTS About of water is needed to brew a liter of beer in Warstein. Even though the water used for processing3.6 raw liters materials is not included in this figure, the brewery’s “water footprint” is small. More starting on page 18. E, FOTOLIA S Z A N S KU N ARTI H: M P E N ON TOGRA LI S N HO P RIC E /F1O LiviNG PR OTECTING EV SEI CUR NG OVER OVER M ÅKE HAVYARD GLOBAL SOLUTION GLOBAL HAVYARD C 8 32 36 4 EXPERIENCE 22 HCET I S 40 MEDICAL TOURISM T hree people who perform: To-he neur Caring Professions: How do people Thailand: Bangkok Hospital treats anesthesiologist Dr. Dirk Repkewitz shares make the right decisions in critical patients from all over the world. A A KG his knowledge through practical courses. situations? Ethics helps to find the 44 ROAD TRAFFIC R obert Gutknecht and David Strieth know that answers – even for practice. & CO. & CO. Interlocks: The Netherlands gives AG volunteer firefighting is not just a hobby. 26 PLANT FIRE DEPARTMENT drunk drivers a second chance – and builds 6 KEYWORDS Automotive Industry: In Wolfsburg, on fundamental changes in behavior. Furthermore: What lies behind everything is one or two sizes larger. 48 TINSIGH everything, the topics of this issue. And for the plant’s firefighters, there Production: Hardly any anesthesia device HY: DRÄGERWERK DRÄGERWERK HY: P are some special requirements. 8 SFOCU is like the other – almost all are produced to S aturation Diving: Professional divers 30 INFORMATION GrapHIC the customer’s specifications. PHOTOGRA have one of the most challenging jobs. U nderwater: More than two thirds of the 52 OUTLOOK Nonetheless, they’re modest people who Earth is covered by water. The depths of S hift Work: It has become indispensable don’t long to be in the headlines. Their the deep-sea are only now being explored. in many occupations, – and in many cases daily work is exciting enough. 32 EMERGENCY RESCUE SERVICES is associated with stress. However, the 18 BREWERIES Carbon Monoxide: This is a perfidious potential health hazards can be reduced. Premium Beers: Perfect raw materials gas that can be neither seen nor smelled. 56 SECLO -UP as well as strictly monitored processes Individually targeted gas measuring devices PAC 7000: A s a part of personal determine the taste of a beer. That’s the key provide safety – also, in Vienna. protective equipment, it warns in advance to success of a brewery like Warsteiner. 36 FIREFIGHTERS of a dangerous gas. T raining: How firefighters in Skövde, Sweden prepare for extinguishing in the blazing inferno. DRÄGER REVIEW 106 | 3 / 2012 3 EN_02-03_Urspruenge_Inhalt.indd 3 15.11.12 12:47 EXPERIENCE AROUND THE WORLD P eople Who Perform Dr. Dirk Repkewitz, Chief of Neuroanesthesiology, Günzburg District Hospital / Germany “I love my work and I’m happy to share my knowledge. For the past 12 fidence is the technology available today. I’m still amazed at what is years, I’ve been organizing practical courses in neuroanesthesiology technologically possible nowadays. For example, we perform some This allows young doctors who wish to specialize in anesthesiology operations in our Brain Suite, which enables us to navigate precisely to participate in open skull operations, 25 of which are required for within the brain via intraoperative magnetic resonance imaging. The certification. In our hospital, young doctors are given the opportu- surgeon receives a precise image of the anatomic area in question nity to observe a number of such operations over three days. These before the operation. That area changes once tissue is removed, so operations represent a challenge because the patient’s conscious- new images need to be produced. The patient is often conscious ness must be deactivated during anesthesia, but at the same time, during that process. When a tumor is being removed from an area the surgeon needs to know whether certain brain functions are still close to the speech center of the brain, the patient has to talk to us. intact. A standard anesthetic can’t do that. Nor can the reactions I was impressed by one case in which a young man was talking to of the patient’s arms and legs be tested if the muscles are relaxed, us about his specific field of interest, German History, while a malig- as is done under standard anesthesia. The patient must also lie ab- nant tumor was being removed from his brain! Even though our work solutely still, without twitching or coughing. Today I feel vastly more environment is full of technology, to me the most important thing is self-confident in my work than I did 20 years ago. The fear of mak- human beings and their fate. Empathy is important. Just monitor- ing mistakes has given way to routine. One reason for my self-con- ing our patients is not enough. We need to hold their hands, too!” H C A B UM ILKE S ER, ILK SP BELL A S I XT: E T ; EEG R S A IEDEL; ANDRE M H C S S A THI T A Y: M Y: H AP PHOTOGR 4 DRÄGER REVIEW 106 | 3 / 2012 EN_04-05_Menschen.indd 4 15.11.12 12:57 BACH M ILKE U S ILKER, Robert Gutknecht and David Strieth, Volunteer Fire Brigade, Winkel / Germany SP “It was the biggest operation we’d ever experienced. But even us have known each other for many years, ever since the junior SABELL I if you’re one of 500 firefighters, you can still find yourself alone, fire brigade. Now, we’re both studying electrical engineering. EXT: T facing danger, on the front lines. Silent, empty, and threaten- This makes us a good team – and it’s also easier to decide to EEG; ing – that’s how it felt on the water cannon, where we were postpone an exam when a major operation occurs, in the mid- R beating down toxic gases. We were among the first to r eceive dle of the university exam period. Fighting the threat at home NDREAS the alarm on August 13, 2012, when a tank of chemicals beg an is more important! That’s the kind of thing you have to be pre- A leaking, at a plastic foam factory in Oestrich-Winkel. As we ap- pared for as a volunteer firefighter. Some people think this is IEDEL; M proached the site, we could feel the danger. Without artificial just a hobby, but it’s a lot more: it’s a commitment! You can’t CH S breathing equipment, our eyes and noses were burning, be- just show up a few times a year. We have to stay in training and cause the tank was releasing isocyanate, a compound related to react everytime there’s a crisis. In Oestrich-Winkel we got the hydrogen cyanide. So we had to depend on our compressed air job done. Even though some team members were injured, and HY: MATTHIAS HY: P breathing apparatuses, which enabled us to operate the water the site had to be monitored for a long time aftward. But none cannon for half an hour. We prevented the formation of a toxic of the local residents were harmed. We worked together to pre- PHOTOGRA cloud and protected the people living near the plant. Both of vent the accident from becoming a catastrophe.” EN_04-05_Menschen.indd 5 15.11.12 12:57 KEYWORDS W HAT IT’S ALL ABOUT Keywords Each keyword you’ll find on these two pages reveals a new aspect of an article and shows it from a new perspective. After all, every topic has multiple facets. The explanations and definitions of the keywords come from lexicons, dic- tio naries, and specialized encyclope- dias, and they include some detours into other subject areas. As a result, readers may see some things in a SEENL PI G AND WAKING different light. Chronobiology For most of human history, people’s work was regulated by the movements of the sun. But with the Industrial Revolution the sun was shadowed by the inexorable regular rhythms of machines and and return on investment. Electricity and its PLANT ALARM distribution through the electrical grid turned night into day. And the network of Combustion Engine railways and telecommunications also required another time clock, which is Inside it burns fuel and air, specifically for now controlled by atomic clocks. Chronobiology has been researching the “inner generating mechanical energy. About a clock” of plants, animals, and human beings since the 18th century.