Repair or maintenance of cranes; repair or maintenance of loading-unloading machines and apparatus; repair or maintenance of hydraulic excavators; repair or maintenance of wheel loaders; repair or maintenance of demolition machines for structures; repair or maintenance of waste crushing and demolition machines for vehicles; repair or maintenance of waste crushing and demolition machines for electrical appliances; repair or maintenance of construction machines and apparatus; repair or maintenance of agricultural machines and implements; repair or maintenance of mining machines and apparatus; repair or maintenance of waste compacting machines and apparatus; repair or maintenance of waste crushing machines and apparatus; rental of construction machines and apparatus; rental of mining machines and apparatus; providing information on location and working condition for repair or maintenance of cranes; providing information on location and working condition for repair or maintenance of loading-unloading machines and apparatus; repair or maintenance of cranes by remote monitoring of current location and working condition via a global computer network; repair or maintenance of loading-unloading machines and apparatus by remote monitoring of current location and working condition via a global computer network; providing information on repair or maintenance of cranes by monitoring current location and working condition via a global computer network in real-time; providing information on repair or maintenance of loading-unloading machines by monitoring current location and working condition via a global computer network in real-time; providing information on location and working condition for repair or maintenance of hydraulic excavators; providing information on location and working condition for repair or maintenance of wheel loaders; providing information on location and working condition for repair or maintenance of demolition machines for structures; providing information on location and working condition for repair or maintenance of waste crushing and demolition machines for vehicles; providing information on location and working condition for repair or maintenance of waste crushing and demolition machines for electrical appliances; providing information on location and working condition for repair or maintenance of construction machines and apparatus; repair or maintenance of hydraulic excavators by remote monitoring of current location and working condition via a global computer network; repair or maintenance of wheel loaders by remote monitoring of current location and working condition via a global computer network; repair or maintenance of demolition machines for structures by remote monitoring of current location and working condition via a global computer network; repair or maintenance of waste crushing and demolition machines for vehicles by remote monitoring of current location and working condition via a global computer network; repair or maintenance of crushing and demolition machines for waste of electrical appliances by remote monitoring of current location and working condition via a global computer network; repair or maintenance of construction machines and apparatus by remote monitoring of current location and working condition via a global computer network; providing information on repair or maintenance of hydraulic excavators by monitoring current location and working condition via a global computer network in real-time; providing information on repair or maintenance of wheel loaders by monitoring current location and working condition via a global computer network in real-time; providing information on repair or maintenance of demolition machines for structures by monitoring current location and working condition via a global computer network in real-time; providing information on repair or maintenance of waste crushing and demolition machines for vehicles by monitoring current location and working condition via a global computer network in real-time; providing information on repair or maintenance of waste crushing and demolition machines for electrical appliances by monitoring current location and working condition via a global computer network in real-time; providing information on repair or maintenance of construction machines by monitoring current location and working condition via a global computer network in real-time; providing information on location and working condition for repair and maintenance of mining machines and apparatus; repair or maintenance of mining machines and apparatus by remote monitoring of current location and working condition via a global computer network; providing information on repair or maintenance of mining machines and apparatus by monitoring current location and working condition via a global computer network in real-time.