[ ENGINES FOR GENERAL PURPOSES; MACHINES AND INSTRUMENTS FOR AGRICULTURE AND FORESTRY - NAMELY, CHAIN SAWS, SCYTHES, KNAPSACK-TYPE POWER DUSTERMIST BLOWERS, SPEED SPRAYERS, SWATCH SPRAYERS, SPEED DUSTERS, POWER SPRAYERS, IRRIGATION PUMPS, HAND SPRAYERS, HAND DUSTERS, ] HAND SOIL INJECTORS [ , ENVIRONMENTAL HYGIENIC BLOWERS, RICE PLANTERS, AND CULTIVATORS ]