Changes

'''Mar 19- 2 hours''' Today I insulated the rim of the tank with foam. After that I cut some light guides at 4 inches each and squared the ends with sandpaper. Then I straightened them by pouring hot water on them and then cool water while being tied to a straight piece of metal.

'''Mar 19- (2 hours)''' Today I insulated the rim of the tank with foam. After that I cut some light guides at 4 inches each and squared the ends with sandpaper. Then I straightened them by pouring hot water on them and then cool water while being tied to a straight piece of metal.

'''Mar 21''' I attended the weekly meeting today.

'''Mar 21- (2 hours)''' I attended the weekly meeting today.