Cover; EMPC-IMAPS Poland 2018 -- Guest Editorial; Vapour phase soldering (VPS) technology: a review; Measurement and regulation of saturated vapour height level in VPS chamber; Machine learning-based prediction of component self-alignment in vapour phase and infrared soldering; Advances in pressure sensing for vapour phasesoldering process monitoring; Non-Newtonian numerical modelling of solder paste viscosity measurement; Experimental approach to thermal conductivity of macro solder joints with voids