Galvanize - To coat with zinc to protect against corrosion Galvanized Rope - Rope made of galvanized wire Galvanized Strand - Strand made of galvanized wire Galvanized Wire - Wire coated with zinc Grades, Rope - Classification of wire rope by its breaking strength. In order of increasing breaking strengths they are Iron, Traction, Mild Plow Steel. Plow Steel, Improved Plow Steel, Extra Improved Plow Steel   Grades, Strand - Classification of strand by its breaking strength. In order of increasing breaking strengths they are Common, Siemens Martin, High Strength and Extra-high Strength. A Utilities grade strand is also made to meet special requirement Grooved Drum - Drum with grooved surface to accommodate and guide the rope Grooves - Depressions in the periphery of a sheave or drum for positioning and supporting a rope Guard Rail Cable - A galvanized wire rope or strand erected along a highway Guy Line - Strand or rope, usually galvanized, for holding a structure in position High Strength Strand - Grade of galvanized or bright strand Idler - Sheave or roller used to guide or support a rope Independent Wire Rope Core - Wire rope used as the core of a larger rope Internally Lubricated - Wire rope or strand having all wires coated with lubricant Iron Rope - See "Grades, Rope" IWRC - "Independent Wire Rope Core"