Technique rules everybody morality and eliminates everybody immorality. For ex,lever use solves lifting and moving huge stone by humans. Like that,roller use underneath solves moving huge stone without much effort by human. A crankshaft changes reciprocating power by piston in cylinder into revolving power in wheel for changing heat into work. Gradient between flow of water can be used to turn turbine blades into revolving armature in magnetic field to cut flux for production of current in potential difference.

'Becoming some among one and all' by being 'self(sensible mindful voice) among all others' ELIMINATE problems(evils) among personals(ones) and socials(all).