The timer 23 is arranged to disconnect the compressor 11 from {HEAD ~ the mains} when some part of {TAIL ~ the cooling liquid} has been converted into ice, for example 65%, which normally takes place after about 8 hours 
The timer 23 is arranged to disconnect the compressor 11 from { HEAD ~ the mains } when some part of { TAIL ~ the cooling liquid } has been converted into ice , for example 65 % , which normally takes place after about 8 hours
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH