1. All appeals filed by the plaintiffs are dismissed.

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

Purport of claim and appeal

1.

1. The reasoning of this court’s acceptance of the judgment of the court of first instance is the same as that of the part of the judgment of the court of first instance, except in the following cases:

(The court of first instance held that the evidence submitted by the plaintiffs to this court is reasonable in light of the evidence duly adopted and examined by the court of first instance, and that there was no error as alleged in the grounds for appeal by the plaintiffs). Of the judgment of the court of first instance, the court of first instance held that the "R" of the third 18 of the judgment of the court of first instance is "R (the chief director U.S., hereinafter "R")".

Of the rulings of the first instance court, the 5th "this Court" in the 5th sentence shall be applied to the "Ywon District Court".

Of the judgment of the first instance court, the 5th court's "this court" shall be applied to the "court of the first instance."

Of the judgment of the court of first instance, the 6th to 21th of the 6th of the judgment shall be raised as follows.

"However, Gap evidence 2-1, 2, Gap evidence 4, and 5, the testimony of the party witness Eul and the whole purport of the arguments are as follows; ① Article 8 of the construction contract of this case between R and the defendant does not pay the defective performance securities and deposits that have not been previously consulted; ② the letter of performance of each defect guarantee of this case does not include the delivery party or the other party to the performance of the defect liability liability; ③ the witness V of the party to the trial stated in the court that "I deliver the letter of performance of each defect guarantee of this case to the above U at the R office, upon request of the R representative director according to each construction contract of this case; ④ on March 14, 2017, the parties other than the plaintiffs are obliged to pay the construction price by referring to various defects occurrences and losses incurred thereby."