indefinite relative pronoun

amenity bed clino axis direct-cycle boiling water reactor floating piston pin (floating gudgeon pin) infiltration anesthesia lenticular ore body long-jumped MEV MeV Mev mev Mouthier-Haute-Pierre natural binary-coded decimal system non-metallic mineral products overhand knot plaudites sea intake single line snick-up Sozopol tally on uncondition transfer years ago