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