The apparatus 3, wherein {HEAD ~ each} of the buffering members comprises {TAIL ~ a substrate contact portion} contacting the substrate, and an impact absorbing portion coupled to a lower portion of the substrate contact portion to absorb impact applied to the substrate contact portion 
comprises
The apparatus 3 , wherein { HEAD ~ each } of the buffering members comprises { TAIL ~ a substrate contact portion } contacting the substrate , and an impact absorbing portion coupled to a lower portion of the substrate contact portion to absorb impact applied to the substrate contact portion
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH