operator tangga bahasa Inggris

• ladder operator

• operator:    operator; manipulator
• tangga:    flight of stairs; ladder; stair; staircase;
• tangga:    flight of stairs; ladder; stair; staircase; stairs; step-ladder; stepladder; doorstep; staircase, stairway; steps; stile; scale; flight of steps; balustrade; level; apples and pears; threshold; tier