improvement the act of improving something; "their improvements increased the value of the property"
darning the act of mending a hole in a garment with crossing threads
patching the act of mending a hole in a garment by sewing a patch over it
upkeep,
maintenance,
care the unauthorized interference in a legal action by a person having no interest in it (as by helping one party with money or otherwise to continue the action) so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community; "unlike champerty, criminal maintenance does not necessarily involve personal profit"