A calibrator for acoustic cameras and other related applications Device, method and computer program for determining the driving manner of a vehicle driver Pharmaceutical composition intended for treating skin burn injuries Nbc filtration system with air exchange backup unit A press for washing and/or dewatering a liquid suspension Method and system for temporary supply of energy to buildings Traffic sign system Cab viscous mount Method for synchronizing networks Solid-state catalysts for low or moderate temperature leach applications and methods thereof Spectroscopic unit and spectroscopic module Fabry-perot interference filter Arrangement in traffic sign for replacing plate part Blockchain-based decentralized domain name update system and method Method of determining the moisture content of a web of cellulose pulp System and program for assisting prevention of vessel from colliding with mooring facility Method and apparatuses for screening Optical filter device and method for controlling optical filter device Control device, optical filter system, and control method Monitoring device, optical filter system, monitoring method, and current generation device System and method for transferring district heat Method for Producing Coating Film-Forming Composition for Litography Recycling part for manufacturing a polyester resin-based fibre reinforced door, and polyester resin- Quick lift assembling storage box Method for lignin purification A knife carriage, a rotary veneer lathe having the same, and a veneer slicer having the same Double-chamber inflatable kayak