Mei's father is a famous lensman and he intended to impart the skill of the photography to his bright and intelligent daughter when Mei was in her infancy.
A calendering stack with alternate hard steel rollers and soft rollers, some of which move faster than others, which imparts a high gloss finish to paper as it "slips" between them.
There was something so methodical and so incomprehensible about the deeds of this unknown assassin, that it imparted a fresh ghastliness to his crimes.