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 plunder. plundered. ; plundering. play \-d(É-)riÅ\. transitive verb. 1a : to take the goods of by force (as in war) : pillage, sack invaders plundered the townb : to take by force or wrongfully : steal, loot plundered artifacts from the tomb. 2 : to make extensive use of as if by plundering : use or use up wrongfully plunder the land.