1. All of the plaintiff's claims are dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

1. Basic facts

A. The status of the parties 1) The Defendant (C Co., Ltd.) (hereinafter “C Co., Ltd.”) changed from March 24, 2017 to the present trade name.

“Defendant,” regardless of whether it was before or after the change in the trade name;

(2) A corporation (hereinafter “H”) concluded a contract with the Defendant with a limited liability company (hereinafter “the Defendant”) to enter into a contract with the Defendant for the manufacture and distribution of cement products as a corporation established for the purpose of manufacturing and distribution, etc. of cement products, which d, E, and F mining areas, d, cut rocks and old soil mined from G mining areas, and then manufactures and sells cement in the Defendant’s three-dimensional plant. A corporation (hereinafter “H”) had its employees engage in such work as storage, crushing, heating and cinging production process, crushing and packing of products, and crushing and packing of products, equipment, etc.

3) Since entering into a labor contract with H on January 1, 2009, the Plaintiff retired from H on November 30, 2017, while working in the Defendant’s three-scale factory production site. (b) The Defendant’s cement manufacturing process outlined the Defendant’s cement manufacturing process at the stage of extracting tin and an elderly soil, which is the main raw material of cement cement manufacturing process, the details of the relevant process’s specific duties, and mining process; and (d) D/F mining area owned by the Defendant, and I, the Defendant’s subsidiary company (hereinafter “I”).

)가 소유하는 E광구에서 이루어진다. 우선 석회석 등의 시료를 채취하여 착암(鑿巖) 지점을 선정한 후 착암, 발파 등을 거쳐 채굴한다. 채광된 석회석은 조쇄기(粗碎機, 크러셔, Crusher)에서 조쇄된다. 한편 채광 후 조쇄되기 전 단계를 중기라 하는데, 이는 채광된 석회석 등을 굴착기, 덤프트럭 등을 이용하여 조쇄기에 투광하는 적재 및 운반, 분진제거를 위한 정리 등으로 이루어진다. 업무의 순서 등을 정리하면 다음과 같다. 채굴(채광) 중기 조쇄 기타 착암 발파 적재 운반 정리 조쇄 살수, 유조 원료공정 조쇄된 석회석은 스태커(Stacker 에 의해 원료의 성상이...