MCS back view of a technician of the Freshwater Institute in Winnipeg at work on a base metal analysis machine. CS of a digital counter. CS of a sampler needle. CS of a flame with hand of a man lighting it up in one shot. CS of a graph readout. Several shots from different angles of a technician supervising operations of the sampler needle and of the graph readout, of liquids passing through various tubes with shots of technicians watching, of the graph readout, of another technician supervising operations, on numbers changing on digital counter, of sampler needle and flame, of graph readout, of the flame.