oil stone meaning in Hindi

Examples

1. Shearers will usually use an oil stone or laminated diamond stone to keep the edge on their shears.
2. S . R . Droescher used it to run the Cranford Oil Stone Works where whetstones and oilstones were made.
3. I prefer the Japanese water stones to oil stones; the water doesn't make the mess oil does and they seem to work better for me.
4. Light mineral oil ( "'paraffinum perliquidum "') is used as a honing oil when sharpening edge tools ( such as chisels ) on abrasive oil stones.
5. I was told the best way to maintain the edge is to use an oil stone, but I'm not sure if I am doing it right.