Question

जिंदगी का खेल शतरंज से भी मज़ेदार होता है, लोग हारते भी है तो अपनी ही रानी से​

Answer 1

shi kha bhai

Lighter tires would allow vehicles to get better gas mileage, but the tires had to be strong enough to resist the wear and tear of the road. They had been working on the problem for some time and had little success until Kwolek had a breakthrough. ' This led to the formation of Kevlar.