37 Construction, namely, custom rebuilding, maintenance and repair of parts for water vehicles; maintenance and repair of control systems for radio systems and networks; maintenance and repair of control systems for access control and alarm monitoring systems; construction, namely, custom rebuilding, maintenance and repair of watercrafts; maintenance and repair of boats; maintenance and repair of gears; repair and maintenance of ships; installation, maintenance and repair of automation systems in the nature of electric and electronic equipment for industrial automation; installation, maintenance and repair of regulating, monitoring and control apparatus in the nature of apparatus for steering and operating vessels; maintenance and repair of ships; installation, maintenance and repair of electronic control apparatus; installation, maintenance and repair of machinery; maintenance and repair of water vehicles; maintenance and repair of automatic control mechanisms for vessels; maintenance and repair of touch sensitive display and control screens; maintenance and repair of navigational instruments, maintenance and repair of measuring and control apparatus and instruments; maintenance and repair of telegraph apparatus; maintenance and repair of engines for ships; maintenance and repair of pumps, electric, hydraulic pumps, refrigerant recovery pumps, pneumatic pumps, centrifugal pumps, vacuum pumps, fuel dispensing pumps; maintenance and repair of joysticks being parts of machines, other than for game machines; construction, maintenance and repair of electric power generators, high-voltage generators, direct current generators, alternate current generators, emergency power generators, diesel generators, turbogenerators, portable electric power generators; construction, namely, custom rebuilding, maintenance and repair of gears, other than for land vehicles; construction, namely custom rebuilding, maintenance and repair of gear boxes; construction, namely, custom rebuilding, maintenance and repair of clutches, other than for land vehicles; construction, namely, custom rebuilding, maintenance and repair of clutches and apparatus for power transmission, other than for land vehicles; construction, namely, custom rebuilding, maintenance and repair of axles for machines; construction, namely, custom rebuilding, maintenance and repair of transmission shafts, other than for land vehicles; construction, namely, custom rebuilding, maintenance and repair of thrusters; construction, namely, custom rebuilding, maintenance and repair of propeller shafts for boats; construction, namely, custom rebuilding, maintenance and repair of propellers for boats; construction, namely, custom rebuilding, maintenance and repair of screw propellers for ships; construction, namely, custom rebuilding, maintenance and repair of screw-propellers for boats; construction, namely, custom rebuilding, maintenance and repair of control mechanisms for ships; construction, namely, custom rebuilding, maintenance and repair of propeller blades protectors for boats; construction, namely, custom rebuilding, maintenance and repair of joysticks for vessel