anchor.diff:  
   
   /datum/subsystem/air/Initialize(timeofday, zlevel)
  +	setup_allturfs(zlevel)
   	setup_atmos_machinery(zlevel)
  -	setup_allturfs(zlevel)
   	setup_pipenets(zlevel)
   	..()
   
  
positive.code: 	for(var/turf/simulated/T in turfs_to_init)
  		T.CalculateAdjacentTurfs()
  		T.excited = 0
  		if(!T.blocks_air)
  			T.update_visuals()
  			for(var/direction in cardinal)
  
negative.code: 			EG.dismantle()
  
  /datum/subsystem/air/proc/setup_allturfs(z_level)
  	var/z_start = 1
  	var/z_finish = world.maxz
  	if(1 <= z_level && z_level <= world.maxz)
  