Sharpening to the ideal angle. Very sharp knives sharpen at about 10 dps (degrees per side) (which implies that the knife's edge has an included angle of 20-degrees). Generally speaking, razors, paring knives, and fillet knives should be the sharpest knives at an angle of 12° – 18°. Most kitchen knives, like utility/slicing knives, chef’s knives, boning knives, carving knives, should be sharpened to 15° – 25°. The exceptions are Japanese style knives that are usually sharpened to 14° – 16° depending on the knife maker. Japanese style knives utilize a much harder steel, and are therefore more brittle than their
Deba Gupta in Jalalabad hill on 22 April 1930. After the encounter he, along with his friends, retired to the village with great difficulty after successfully evading police and military surveillance. British police chased and finally surrounded them on 6 May 1930. Gupta and his three comrades took shelter in a village beside Karnafuli River. They tried to escape and entered a bamboo grove in Kalarpole, Chittagong District. While police arrived, there was a sharp exchange of fire. Gupta, Rajat Sen and Monoranjan Sen died. The fourth Swadeshranjan Ray died in police custody next day. Deba Gupta Deba Gupta (December 1911 -