T ot mAinten<chr_abbr type="reg" class="dc" expan="ant" cert="no">at-hbar</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>an<chr_var letter="s" var="long">∫</chr_var> re<chr_var letter="s" var="long">∫</chr_var> pit <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr>rer 