GYTS
► Metallic steel wre central
► miyembro ng lakas;
► Maluwag na tubo na na-stranded;
► Corrugated steel tape
► nakabaluti panlabas na cable
GYTA ►Steel wire central strength member; ►Maluwag na tubo na na-stranded; ►Corrugated aluminum tape na nakabaluti ►panlabas na cable.
GYFTA
► FRP central strength member;
► Corrugated aluminum tape na nakabaluti panlabas na cable
GYXTW
► Central maluwag na tubo;
► Dalawang parallel steel wires at
► Corrugated steel tape na nakabaluti
► PE sheath panlabas na cable