= 20210304 = == klog == * [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=16161]] == Today's activities == To prepare lowering the IFI height (to be as designed!), I started how the lowering affects the other optics... == Next plan == * With a laser level, measure and take photos of the optics height. * Complete a plan document of IFI lowering plus dealing with the other surronding optics. == Wanted! == *