oilstone वाक्य - oilstone अंग्रेजी में वाक्य (11-13)

	11.	"' Scary sharp "'is a method of sharpening woodworking tools with sandpaper instead of conventional methods of oilstone or waterstone sharpening.
	12.	The CIA assigned the cryptonym " Aquatone " to the project, with the USAF using the name " Oilstone " for their support to the CIA.
	13.	Natural oilstones are quarried in Arkansas _ they are often called Arkansas stones _ and are graded as hard, or fine, and soft, or coarse.

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oilstone उदाहरण वाक्य