You are viewing a single comment's thread from:RE: Fascinating thermoelectric technology can harvest power from fluctuating temperaturesView the full contextView the direct parentgiosou (62)in #technology • 8 years ago The 7 sisters of petrol ,Exxon, Shell, BP, Mobil, Texaco , Gulf και Chevron
So that's who the seven sisters are! Thanks.
I'd never heard of this label before.
Ya live and ya learn.