Mene ne tambaya ga: "Yana amfani da saitin hanyoyin sarrafa inganci, gami da hanyoyin kididdiga, kuma yana ƙirƙirar keɓaɓɓen kayan aiki na mutane a cikin ƙungiyar ("Champions", "Black Belts", "Green Belts", "Orange Belts", da sauransu) waɗanda ƙwararru ne a cikin waɗannan hanyoyin masu rikitarwa"? Batun shi ne shida sigma.
"waɗanne kayan aikin Sigma shida ake amfani da su?"