A chimney requires...
updating softwares
sweeping
Tuning, polishing, replacing strings
Wooden furniture require...
cleaning filters
tightening loose handles and knobs, polishing
update software
Bicycles require...
checking tire pressure, replacing brake pads, oiling chain
changing wiring or light bulb
defrosting and replacing door gasket
Musical instruments require...
cleaning filters
Tuning, polishing, replacing strings
sweeping
Computers require...
painting and fixing cracks and holes
updating software, cchecking for and cleaning viruses
sweeping
