Which of the following is the definition of point of operation?
a)
b)
c)
Component of the machine which moves while the machine is working
Part of the mechanical system which conducts energy to the part of the machine performing the work
Area on a machine where the work is performed
Repetitive up-and-down or back-and-forth linear motion

I’ve personally felt invisible all my life, especially when a friend turned out to be fake and didn’t seem to take any type of interest in what i said or any type of input i said. being invisible is a terrifying feeling to experience due to the fact you feel like no one sees you and just sees you (sorry if that doesn’t make sense). it’s like a deep emptiness that no one can fill, just you; you have to fix that emptiness by yourself and you don’t really want , or in some cases want to be invisible. i can see many invisible people when they intentionally stay away from people that can potentially hurt them in any way. also, when a person intentionally breaks off a connection so they aren’t seen by people.hope it