The exercise of the activity of maintenance and repair of vehicles and industrial machinery, in particular welding work on earth-moving machines; modifications, repairs and recharging of buckets; repairs and reinforcements of mechanical arms; repair and reinforcement of carts and chassis; welding and recharging of mechanical forks; replacement of teeth and bucket holders; recharging of mechanical wear parts; turning of tips for hydraulic demolition machines; and any other activity directly or indirectly connected with the company's purpose.