ปั้มไลค์에 대한 8가지 리소스
http://emilianohvcl279.huicopper.com/pm-likh-seong-gong-eul-wihaehaeya-hal-ilgwahaji-mal-aya-hal-il-12gaji
It is because the cables are made applying twisted copper pairs of very little-gauge wire. Unlike regular coaxial cable, this tends to make interference and degradation a truth When coping with lengths above 50