In case your design and style has any neckline or centre entrance facings, these should be sewn in place before you decide to attach the collar, as once the collar is ‘closed’ it will enclose the seam allowance from the garment and facings for your tidy finish.là ??n v? chuyên cung c?p d?ch v? quan tr?c môi tr??ng lao ??ng, h? s? v? sinh mô