emmatech (37)in #stemng • 7 years ago • NoneThe science and working principle of stethoscopeflickr.com I could still recall being a little boy that I accompanied my mother to a nearby hospital to show…emmatech (37)in #stemng • 7 years ago • NoneEffective usage of Close Circuit Television (CCTV) in curbing crimessource Hello my steemit community, welcome to my blog. Today I will be discussing something concerning our…emmatech (37)in #introduceyourself • 7 years ago • NoneIntroduceyourself #Hello STEEMITES!!! It's nice to be here. My name is 'AMOS EMMANUEL’ but my ID is ‘emmatech’. I'm a lover of good…