Soldering (see RoHS), has led to a change in formulation of both solders and fluxes. Water-soluble non-rosin-based fluxes have been increasingly used since the 1980s so that soldered boards can be cleaned with water or water-based cleaners. This eliminates hazardous solvents from the production environment, and from factory effluents. Those regulations have also reduced the use of lead based solders, and caused the melting temperatures of solders in use to increase by up to . "Hot-bar reflow" is a selective soldering process where two pre-fluxed, solder coated parts are heated with heating element (called a thermode) to a sufficient temperature to
Murder Ain't What it Used to Be move a vase by telekinesis and can manipulate objects, such as a cigar, a machine gun and a hat. It also appears that he is connected psychically with Jeannie when he hears her scream in her apartment. Also for the first time since the debut episode, the effect of ghosts on the room atmosphere is commented on, with Paul Kirstner's sister Aunt Maddox complaining "it has turned cold" when Bugsy appears. Murder Ain't What it Used to Be Murder Ain't What it Used to Be is the seventh episode of the popular 1969 ITC British television series "Randall and Hopkirk