Attaching a collar to your garment may be effortless or tricky, depending on the collar form. I once necessary to attach a collar to your sleeveless large-weight leather vest. I messed it up as I followed the customer’s construction notes – and it ended up searching a multitude!là ??n v? chuyên cung c?p d?ch v? quan tr?c môi tr??ng lao ??ng,