Ubuvuzi bw'ifatizo
Kubungabunga simasiyo ya sipmetion kurenza cyangwa bingana na 28, igabana rya Asfalt Kurenga cyangwa bingana n'iminsi 12, polishing yo guhobera ikosa ritari munsi cyangwa ringana na 3mm / hamwe na brushing inzego mu rwego rwo kuzamura ubukwe.
Kuzunguza ibikoresho
Ibikoresho byibanze byashyizwe ahagaragara hakurikijwe umurongo wabigenewe, uhujwe nibice bibiri (a: b=1: 2}}: 2}}: 2 {}}: 2 {}}: 2 {}}: 2=1: 2 {}
Ubuso
Ibikoresho byo gutera bivanze no kwambara no kwambara bitera imbere bituma ubunini bumwe (ikosa rirenze cyangwa ringana na 0.5mm), hamwe nimiterere itarimbuka nyuma yo gukiza.
Kuranga no kubungabunga
Ikimenyetso gishyushye ukurikije ibipimo bya IAAF, bifunze kandi bibungabungwa kumasaha 72 mbere yuko bigerwaho.
