★ ʻO ka hana ʻelua;
★ Rotary a i ʻole ka wehe ʻana i lalo;
★ ka hoʻoponopono ʻana i ka wikiwiki alapine;
★ ke ano hana kaohi mamao;
★ Ua lako me ka anti-collision induction interlock, leo a me ka māmā ala ala;
★ maʻalahi e hoʻomaʻemaʻe, ʻaʻohe mea leakage;
★ Ua lako me ka "centralized concrete distribution control system";