Everyone will drive an electric! An electric lawnmower from a gasoline lawnmower. 

We change from gasoline to electric. The main thing is to think about the attachment of the blade to the motor shaft. Fixing the engine to the platform is not a problem.
Engineering design:
Electrical;
Water supply;
Heating;
Ventilation;
Hardware and microcontroller automation.
Design, maintenance and automation of mining locations of any complexity. Using the heat of asics for domestic needs:
Air and liquid heating systems;
Pool heating;
Supply air heating of ventilation systems;
Heating of greenhouses and any other technical premises;
Hot water supply;
Excess heat discharge to the outside/ventilation system exhaust;
Various farm cooling systems;