The overall contractor sources supplies and hires skilled commerce workers to construct out the plan. In addition to a normal contractor, most tasks will even include numerous subcontractors to carry out specific tasks corresponding to installing main systems like plumbing fixtures, HVAC system, and electrical wiring; finishing drywall; applying roofing and Nhà thầu xây nhà trọn gói Hội An shingles; including countertops and cabinetry; and even landscaping the brand new site.