Scientific apparatus and instruments, namely, single and multiaxle precision micropositioning apparatus and instruments as well as single and multiaxle adjusting and positioning apparatus and instruments; Systems composed of the aforementioned scientific apparatus and instruments, namely, parallel-kinematic systems; Piezo toggle platforms being parts for active optics, namely, lenses and prisms; Data processing equipment, namely, computers and computer software for operating actuators and positioning systems; Electrically controlled mechanical adjustment mechanisms comprising an element to be adjusted and an actuator, and control and regulating units in the nature of electrical controllers for the aforesaid adjustment mechanisms; Integrated path sensors for mechanical positioning systems; Piezo multilayer actuators; Piezo ultrasound converters; Bushing-type capacitors; * all the aforementioned goods not relating to the use and creation of a self-assembly laptop *; Slide bearings in the nature of machine parts, namely, linear and rotary air bearings and air bearing guides; Drives, other than for land vehicles, namely, inertial drives; Electric motor-driven drives for machines and piezoelectric drives for single and multiaxle positioning systems; Piezo linear motors; Piezo motors other than for land vehicles; Actuators, namely, linear actuators, being piezo motors other than for land vehicles with electronic control; Actuators based on electromagnetic direct drives, namely, magnetic linear motors and torque motors; Chemical agents for use in the manufacture of technical ceramics; Ceramic compounds in granular and powder form for use in high-temperature manufacturing applications, namely, sintering; Ceramic powder and ceramic granular for forming a green body for piezoelectric elements; Ceramic materials, namely, powders, particles and granules for use in the manufacture of piezoelectric actuators; Development of computer software and rental of computer software; Services of an engineering firm, namely, engineering and engineering design services; Services in the field of physical research, namely, mechanical research and physics research; research and development services concerning new products for third parties; * all the aforementioned services not relating to the use and creation of a self-assembly laptop *