‘<chr_var letter="N" var="2">N2</chr_var> <chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>nin.’ fet il. ‘<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> je m<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr> tai<chr_var letter="s" var="long">∫</chr_var>. 