Hellow guys, Welcome to my website, and you are watching XII U1L7 Crystal Lattice and Unit Cell By Bijender Sangwan Sir Vaish Sr Sec School Bhiwani Hr India.. and this vIdeo is uploaded by Bijender Sangwan at 2020-07-24T23:47:42-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.