If the setcollar end hardness is lower than HRC40, should first on the end surface again a built-up welding hard alloy, after the polish repackaging.
如果固定环端面硬度低于HRC40，则应先在端面上重新堆焊一层硬质合金，经磨光后再装配。
2
To occupy the time I talked with a rather superior tramp, a young carpenter who wore a collar and tie, and was on the road, he said. for lack of a set of tools.
You can now return a jacket with the collar and lapel set with the same piece of equipment that was used in the garment's original manufacture, which shrinks and molds the collar.