2. The costs of appeal are assessed against the Plaintiffs.

The purport of the claim and appeal is the purport of the appeal.

2. If so, the judgment of the court of first instance is legitimate, and the plaintiffs' appeal is dismissed as it is without merit.

3. Determination on the plaintiffs' application for resumption of argument

A. After the closing of argument in the trial, the plaintiffs (hereinafter referred to as the "Plaintiffs") conducted the same work in the same manner before and after the change of their affiliate companies while working for the same time. When the subcontractor changes, the previous subcontractor did not pay retirement pay, and the subcontractor succeeding to the subcontractor did not have an independent affiliate organization in light of the fact that the subcontractor paid continuous service allowances including the working period in the previous subcontractor. ② The defendant had the plaintiffs confirm the production plan, inappropriate status, inventory quantity, semi-finished products, etc. prepared by the defendant production management team through the defendant's management server G-MS (Glbal M&S), inventory status list, etc., and accordingly, conducted the work. The defendant's employees requested the work order through the process of controlling the defects of half-finished products working for the plaintiffs, and the defendant submitted the defendant's request for the resumption of the production order or the resumption of the production order to be presented as reference materials from the defendant's employees in light of the facts or circumstances that the defendant completely decided to operate the factory.

B. The evidence submitted, including the evidence to be submitted additionally by the Plaintiffs, is also closed and new by the Defendant.