1. The plaintiff's claim is dismissed.

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

1. Details of the disposition;

A. From September 1, 2013 to November 1, 2013, and from January 6, 2015 to September 1, 2016, the Plaintiff is an employee who works as a cleaning agent and a street cleaners in Company B and performed the work of cleaning and washing the hallway floor and stairs in a set, cleaning and cleaning of toilets, cleaning of toilets and glass windows, removal of foreign materials from the window mold, luminous work, and cleaning of guest rooms.

(On the other hand, from July 1, 201 to September 1, 2013, the Plaintiff’s service period is based on the date on which the Plaintiff acquired the qualification of health insurance and the date of deprivation of qualification of the Plaintiff. However, the date of deprivation of qualification of the health insurance with the business place of a stock company C is September 1, 2013, and the date of qualification of the health insurance with the business place of a stock company B is overlapping daily as of September 1, 2013. By up to September 1, 2013, the Plaintiff was an employee of C, a subordinate company of the stock company

Around June 2016, the Plaintiff filed an application with the Defendant for approval of medical care as an injury or disease on the part of the Defendant (hereinafter “existing approved injury or disease”), and obtained approval for medical care from the Defendant (as to May 20, 2017, the Occupational Disease Determination Committee (as to the Plaintiff, the details of medical care for the injury or disease of the past; however, in light of the work experience and work experience and work contents, it may be deemed that the Plaintiff, unlike general cleaning workers and street cleaners, had been taking the burden and shock of the work in the guest room and the work for cleaning the glass, may be deemed that the previous approved injury or disease can be recognized as a causal relationship between the work and the applicant injury or disease). Since then, the Plaintiff continued to provide medical care for the previous injury or disease.

C. On December 20, 2017, the Plaintiff: (i) additional 'the Magsan Hospital of the Korea Labor Welfare Corporation on December 20, 2017,' (ii) the left-hand reconcilation of the reconcilation, (iii) the left-hand reconcilation of the reconcination of the reconcination of the reconcin