3.+List+out+the+things+that+needed+to+scan+sample

=__ ** -things that are needed to scan sample ** __=

-a surface of a sample: It is a piece of metal that we are scanning for -cylinder: It is needed to hold the sample -a sharp tip: It is needed to scan a sample by crossing over the surface with electrons (more explanation with next category) -STM

-from log book 09/04/09