Table 1.
Exper iment conditions according to milling type

Items	Type	Whiteness	Milling machine
DT1	Dry	41	Kapika, Yamamoto, Japan
DT2		43
SDT1	Semi-Dry	41	NCP, Satake, Japan
SDT2		43
WT1	Wet	41	SJR, Satake, Japan
WT2		43