In {HEAD ~ another embodiment}, {TAIL ~ the controlled temperature} does not exceed about 30° C 
In { HEAD ~ another embodiment } , { TAIL ~ the controlled temperature } does not exceed about 30 ° C
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH