PG/MG/RG/HG對某些人來說是常識，
可是對新手來說真的好亂.
剛剛發現一個網頁，一張圖說明鋼彈模型規格.
What is the Difference between the Grades of Gundams - Real RG, Perfect PG, High HG, Non NG, Master MG & RE/100 Grade