Printer means desktop printers, multifunction printer
Laser means light amplification by the stimulated emission of radiation.
Sternlight means a white light placed as nearly as practicable at the stern showing an unbroken light over an arc of the horizon of 135 degrees and so fixed as to show the light 67.5 degrees from right aft on each side of the vessel.
Crane means any self-propelled vehicle to which has been permanently mounted or attached any crane, whether or not such vehicle was originally a truck, tractor, or other type of motor vehicle or was designed and built as a complete crane unit. However, the word "crane," as herein defined, shall not be construed to mean any truck or other vehicle equipped with or to which has been affixed any device used for the purpose of providing a means for towing other vehicles.
aeroplane means a power-driven heavier-than-air aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surfaces which remain fixed under given conditions of flight;