37 construction of buildings, chimney sweeping, plastering, plumbing, public and rural works in the nature of building maintenance and cleaning, rental of earthmoving equipment, namely, bulldozers and excavators; laundering of cloth, clothing, fabric, linen and/or textiles; maintenance or cleaning of buildings, premises, floors, restoring of buildings, disinfecting, rat exterminating; repairing and transforming of clothes, tire retreading, tire vulcanization, shoe repair, furniture, instruments and tools restoration; oil and/or waterwell drilling