  Having common reference frames or aligned coordinate systems, is one of the
presumptions in witnessing entanglement in a two-party state possessed by two
remote parties. This assumption may fail for many reasons. With an unlimited
supply of singlet states, the two parties can first align their coordinate
systems and then measure any entanglement witness. In this article, we propose
an alternative method which uses the same resource for incomplete teleportation
of states between the two parties, enabeling them to witness the entanglement
of any shared state by local measurements without the need of prior alignment
of the coordinate systems. The method works for any kind of witness and in any
dimension. Beyond the context of Entanglement Witnesses, our method works also
for remote measurements of observables of particles (entangled or not) in
laboratories which may have deficiency in their resources.
