The consequences of sloppy work by the previous contractor can be far-reaching and impactful, leaving a trail of issues that affect both the immediate project and long-term integrity of the structure. When a contractor fails to uphold standards of quality and precision, it can result in a myriad of problems such as structural weaknesses, safety hazards, and costly repairs. In this introduction, we delve into the aftermath of negligent work by previous contractors, examining the ripple effects and emphasizing the importance of diligence and accountability in construction practices. 前承包商工作馬虎的後果可能是深遠且影響深遠的，留下一系列影響當前專案和結構長期完整性的問題。 當承包商未能遵守品質和精度標準時，可能會導致結構缺陷、安全隱患和昂貴的維修等一系列問題。 在本介紹中，我們深入研究了先前承包商疏忽工作的後果，檢查了連鎖反應，並強調了施工實踐中勤勉和問責的重要性。