"POWER PLUS LINE" is the new trimmer line(nylon cord), which is very much superior in durability & in smashing power thanks to compounded 2nd material. All of the used ingredients have got the substantial hardness for grinding & polishing of the objects. After the study of long period of time seeking for the most appropriate size & sixture ratio of each ingredients along with the repeated trials of a variety of substance and a variety of conditions at extrusion process, we could materialize these unique cords which have got the excellent smasjing power and the superior durability. Same time, because of natural material, some of them are very much environment-friendly in terms of natural regression.