The present invention relates to a server, a terminal, and a method for raising the efficiency of caching in a web environment, and particularly to a server, a terminal, and a method for determining whether caching is used or not by using a time stamp to decrease the number of transmissions of a file and to raise the efficiency of caching because, with regard to additional files generated by using a source file uploaded from a user terminal, it is possible to upload the source file later again in a web environment.
그리고, 상기 운동수단(20)의 받침부(21)는 타이어 내부 공기압 감소시 다수개의 받침부(21)가 최소 직경을 갖는 원형의 형상으로 결합되어 진다.patents-wipo patents-wipo