1 Introduction
When designing an aircraft, it’s all about finding the optimal proportion of the weight of the vehicle and payload. It needs to be strong and stiff enough to withstand the exceptional circumstances in which it has to operate. Durability is an important factor. Also, if a part fails, it doesn’t necessarily result in failure of the whole aircraft.
The main sections of an aircra
History of Vinegar식초의 역사
Vinegar = vin (wine) + aigre (sour) 식초 = vin (와인) + aigre (시다)
The world’s the oldest cooking ingredient and food preservation method.
가장 오래된 식재료 & 식품 보관 방법
History of almost 10,000 years
약 10,000년의 역사
Vinegar's history of
foreign country
Sterilizing action of vinegar was used fo
1. The Necessity of the Study
1.1 . Natural Disasters in Korea on the Rise
Humankind in modern society has been leading an affluent life by virtue of the rapid scientific progress. However, we are never safe from natural disasters such as a typhoon and an earthquake which are powerful enough to bring it down.(A Research on the Actual Condition of the Victims of Natural Disasters in Korea and
1. The Necessity of the Study
Natural Disasters in Korea on the Rise
Korea never safe from natural disasters such as a typhoon and an
earthquake
Typhoon
"Rusa“(2002) and "Maemi“(2003) property damage by 4 trillion won
-hundred thousand victims.
Earthquake
-16 from 1978 to 1996
-41 from 1997 to 2010
The Lack of Supply of
Temporary
wooden ones. The early 1900s saw the adoption of closed container boxes designed for movement between road and rail.
In the United Kingdom, several railway companies were using similar containers by the beginning of the 20th century and in the 1920s the Railway Clearing House standardised the RCH container. Five or ten foot long, wooden and non-stackable, these early standard containers were