obj/machinery/atmospherics/proc/check_connect_type(obj/machinery/atmospherics/atmos1, obj/machinery/atmospherics/atmos2)
	var/i
	for(var/i=1,i<=atmos1.len,i++)
		var/j
		for(var/j=1,j<=atmos2.len,j++)
			if(atmos1[i] == atmos2[j])
				return 1
	return 0