1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. The defendant is a company whose business purpose is to manufacture, sell, or lease electrical machinery and appliances, their parts, and materials using 7,000 regular workers. The plaintiff A entered each of the defendant company on September 6, 2004, and the plaintiff B joined each of the defendant company on March 20, 2006 and worked as the production worker in the accelerator's manufacture team theater.

B. The plaintiffs' business 1) The main product of the defendant must undergo the extreme, assembly, and chemical operation. Among them, the extreme operation should be conducted in the order of mixing (Mixing), pressing, pressing, lamining, and singing (Lamination) operations by mixing the main product of the defendant with slurry, slurry, etc. The main product of the defendant. Among these processes, the extreme operation should be discarded when it is mixed with slurry, and when it is produced with slurry as a final batteries, the whole slurry produced with slurry should be discarded in the order of 50 slurling standards.

In addition, in a case where the final product is manufactured and distributed through such inferior sludge, attention is required to examine and check closely the mixing of foreign substances to the workers of mixing process to the extent that it can pose a risk to consumers' safety due to a fatal accident, such as an outbreak of exhausters, etc.

3) The Plaintiffs, as an employee of the mixing process, were in charge of the mixing process. The key work of the Plaintiffs was ① input and management of raw materials, ② crushing the input materials into the mixing equipment, ③ measurement of mixing results, ④ inspection of abnormal situations such as vibration reduction devices, ⑤ removal of foreign materials inside and outside the facilities, and maintenance of equipment, etc., in principle, two mixings per person per day (Mixer).