Technical ProblemTo provide a novel imino derivative capable of being an insecticide compound having excellent characteristics such as sustained effects and broad spectrum. The involute shape of the foils provides uniform spacing throughout the entire regenerator and substantial surface area for fluid contact. The steam stable aluminosilicates can be used as acid catalysts for hydrocarbon conversions, including the fluidized bed catalytic cracking and the hydrocracking of petroleum oils, and other cracking of organic compounds. A determination is made that a second portion of the audio recording, immediately following the first portion, does not match a second segment of the text that immediately follows the first segment. Equipment for precooking grains comprises at least one reactor, which is associable with means for applying negative pressure. The call is preferably charged only after acceptance of the call from the called party, and with disconnection, preferably without any call charge, if the called party does not accept the call.