Alamar 1.6. Tsinkayar hanyoyin daidai

An girka a cikin n. n. na 50-100 m, a waje n. p. - na 150-300 m, ana iya sanya alamar a wata tazara daban, amma an tsara nisan a Tebur 8.1.1 "Nisan abu".

Ayyukan:

A irin wannan mahaɗan hanyoyin daidai yake, duk nau'ikan abin hawa da motoci duk suna da izinin haramtawa.