Besides application to back and forth straight moving circulated rout or circuit division are also feasible.

Easy rail installment with cutting on site and curving processing. Installment and usage are suited even in an abominable environment with much dust and high moist. (Type 30 A is excluded)

A roll of reel is at most 100 M long. If installment length is under 100M joiners are not necessary; therefore reliable power supply is available while traveling.