 Instead, the blade is honed as needed on a waterstone.While tradition has kept the practice of steeling alive in Western kitchens, the majority of honing steels sold are abrasive rather than smooth, and knives are harder and more frequently made of stainless steel, which does not respond to traditional steeling techniques as well as high-carbon/low alloy tool steels.Type 021-class missile boat

China first received a single unit of Soviet in January 1965, and four more in 1966 through 1967 and the last two in 1968.