Colour marking logs A slot-wedge of an electric machine A hose reel A hose reel Start assistance method and arrangement for a hybrid electric truck Method and arrangement for assistance in changing gears in a hybrid electric truck Method and device for measuring ballast elasticity Electric lock arrangement Probe apparatus Novel ion exchange materials Generation of information based on event data of a call A snowmobile with an electric motor, and a manufacturing method for a snowmobile with an electric mo Method of treating a solution comprising metal sulphates Roof element, roof structure and method for producing a roof for a building Regulating box for ventilation Glazing bar and method of fastening a glass element onto a window frame Warehouse management system and method for managing a warehouse Method and equipment for handling cargo A drainage system Arrangement for holding an electronic device provided with a wristband attached to a handlebar Dispensing apparatus for packing a material Sensor module for personal performance monitoring and related arrangement and method Eyepiece for a personal display and personal display comprising such eyepiece Method of manufacturing a variable efficiency diffractive grating and a diffractive grating Method of manufacturing a height-modulated optical diffractive grating Method of manufacturing a master plate and a master plate Height-modulated diffractive master plate and method of manufacturing thereof Method of manufacturing a diffractive grating Projection objective and waveguide display device Diffractive element with doubly periodic gratings Method for expanding an end of a pipe and expander tool Inlet valve for compressor pressing gaseous medium, compressor and method for controlling the inlet Forest machine Arrangement in a forest machine and forest machine Shelf structure for cold storage cabinet Arrangement and related method for provision of video items Biogas reactor Indoor air purifier A method and a system for increasing aiming accuracy of a sniper rifle Method and portable monitoring module for monitoring a plurality of electrical biosignals of a perso Coating structure, sheet-like product and its use Cellulose based composition Locationing device for a workpiece Chamber arrangement for a coal production retort Method for controlling a recovery boiler Wireless network plan with multi band access points Fastening element for fastening a front plate of an air conditioning terminal, such as a ceiling dis Method for manufacturing a fibrous web Silicon-on-insulator with crystalline silicon oxide Lighting fixture and method for producing a lighting fixture A stacked thin-film battery pack and a method for manufacturing such a battery pack A transparent conductive film Fire-retardant composition and coating Method for tempering glass sheets Joint structure for joining piles, and pile A method and an apparatus for processing an industrial side stream material End of an articulated arm with a ball joint for three-point attachment in a work machine and articul Bottom knob for a venetian blind Fire prevention system for a sauna Safety arrangement for work areas A method and devices for adaptive measuring of electrochemiluminescence A method and a device for dynamic generation of hot electrons into aqueous solutions A microfluidic chip and a method for the manufacture of a microfluidic chip An electric machine system System and method for controlling growth of microorganisms Microelectromechanical (MEMS) fabry-perot interferometer, apparatus and method for manufacturing fab Method of manufacturing a floor element and floor element An electric machine Method of treating a fiber web and a treatment system for treatment of a fiber web Electromagnetic-wave absorber and method Magazine for a firearm Equipment and method for measuring an airflow Method of preventing frost formation and heating supply air flow A rotor of an induction machine and a method for assembling a cage winding of the rotor An instrument cassette for handling instruments An instrument cassette for handling instruments Method and apparatus for treating an underwater surface and the matter removed from it An arrangement and a method for joining pipes on water Device for cutting a moulding Safety damper for protecting vehicle users Method and arrangement for protecting a harbour fender against the entanglement of a vessel's mo System and method for reducing proofing time of dough and controlling growth of microorganisms in th Method for marking a tree trunk with a biodegradable aqueous solution of marking colour, and a biode Multifunctional bucket for a working vehicle Mould for an apparatus for producing plastic tubes and method for using the same Process for the preparation of arylsulfonylpropenenitriles by photocatalytic reactions A control system for a building Layout guidance for localization Fluid operated drilling device A gripping device for gripping a binding material from an object Frequency reference oscillator device and method of stabilizing a frequency reference signal Oven-controlled frequency reference oscillator and method of fabricating thereof An apparatus and a method for managing biodegradable waste A method for manufacturing a gradient heat-flux sensor Method and apparatus for transmitting electric energy Height adjustment arrangement for an operating table Shelf system Long-distance rf frequency and time transfer Shelf support and arrangement Element construction, and method of tranporting a building and of building it from element construct