The four kinds of (non-impedimentary) moral neutrality 无覆无记 which therefore cannot act as hindrances to liberation: those of (1) differing result 异熟无记; (2) mode of deportment 威仪无记, referring to the neutral quality of the thoughts that arise in connection with the moving into certain physical positions; (3) the arts and crafts 工巧无记; (4) the transformations, which refers to the neutrality of the occurrences that arise through the action of supernatural powers 变化无记.