backed blade meaning in Hindi

Examples

1. In 1845, the pipe backed blade was replaced by Wilkinson s design.
2. The Kabeala has a straight-backed blade with a somewhat convex edge.
3. Blades with one edge blunted by removal of tiny flakes are called backed blade.
4. At that time the appearance of the backed blade tradition, the dingo and other cultural features have been attributed to the arrivals.
5. These included 23 projectile points, 37 knives, 13 multi-functional tools, 20 blades, 3 backed blades, 2 drills and 33 biface fragments.
6. It has been suggested that backed blades played a role in gift exchanges of hunting equipment, and this ceased with culture changes that stopped this exchange and so the need for their manufacture.
7. Many Mesolithic and Neolithic flint scrapers, serrated blades, backed blades, burins, knives, and arrowheads ( all identified & verified by Exeter University ) as well as slingshots and other stones showing signs of having been used as tools have been found near the fort.