title: Shirkadda Rolls-Royce waxay u isticmaali doontaa dayuuradda Boeing 747 ee hawlgabka ah tijaabada mashiinka diyaaradaha ee kacaanka
abstract: Xarunta duulimaadka AeroTEC ee ka baxsan Seattle, Rolls-Royce waxay isticmaali doontaa Boeing 747 oo 20 sano jir ah si ay u tijaabiso matoorkeeda diyaaradeed ee UltraFan. Shirkada waxay aaminsantahay in matoorkaan uu isbadal ku sameyn karo diyaaradaha.