ESFR system materials tend to cost more than control mode systems (larger pipe sizes, more expensive sprinkler heads). Also, in most cases an ESFR system will require the installation of a fire pump, which is not always required for a control mode system. sprinkler systems are not required.
Definition of flay. 1 : to strip off the skin or surface of : skin The hunter flayed the rabbit and prepared it for cooking. 2 : to criticize harshly : excoriate He was flayed by the media for his controversial comments.
Definition of flit. flitted. ; flitting. intransitive verb. 1 : to pass quickly or abruptly from one place or condition to another. 2 archaic : alter, shift. 3 : to move in an erratic fluttering manner.