What is Shawarma? That is the usual way to prepare it?
Shawarma is a Levantine Arab or Arab meat preparation, where lamb, chicken, turkey, beef, veal, or mixed meats are placed on a spit, and maybe grilled for as long as a day. I think these guys trying to repair their fan with the help of Shawarma

. they want some cool air in hot summers

Woah, so this is a collection of every meat imaginable? Ewww... If eating meat wasn't ewww enough to begin with, but geez... If they use minced meat it's usually even a lower grade than usually - Which is quite astonishing!