A pattern of gradual change in a condition, output, or process, or an average or general tendency of a series of data points to move in a certain direction over time, represented by a line or curve on a graph. Use 'trend' in a Sentence. Before you think of investing in the stock market, you should know that the trend of market has been one of high volatility and rapid fluctuation. The company was concerned with the downward trend that the sales of their new product line were exhibiting after several months of record sales.
propane is a versatile multi purpose fuel that is highly portable clean burning and non toxic in canada supply is abundant and an expansive infrastructure exists to make it readily available and competitively priced it is a by product of natural gas processing and crude oil refining
Natural gas is a much lower pressure gas than propane and converting the appliance to one or the other gases requires that the differing pressure is compensated for. In other words, connecting a natural gas appliance to a propane piping system will result in appliance malfunction and possibly danger. The reason for this is because natural gas orifices are larger than propane orifices strictly because of gas service pressure.