per utama bahasa Inggris

• mainspring

• per:    a; by; spring; suspension; per
• utama:    high; inchief; main; major; number one;
• utama:    high; inchief; main; major; number one; paramount; predominant; primary; prime; prior; weightier; chief; salient; dominant; primal; independent; principal; basal; prominent; preponderating; predomin