A method 1, wherein the microwave radiation is applied to the wood as impulses of predetermined duration and separated by set time intervals or as random impulses to provide {TAIL ~ treated wood} having {HEAD ~ treated and untreated regions} 
A method 1 , wherein the microwave radiation is applied to the wood as impulses of predetermined duration and separated by set time intervals or as random impulses to provide { TAIL ~ treated wood } having { HEAD ~ treated and untreated regions }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD