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brush beard sky smallit is an insect problem on IPC nematode material and nematode and material the device and various kinds of methods for the control of non-high temperature and high pressure steam of infecting 100-150 degrees to a closed space into shortening loading hull parts of husked tree by spraying spray material through a driver or holes to combating are bacteria or charge put temperature and of steam the main body has an constant pressure method for the control of the waste wood which steam boiler with a high yield using of waste heat as a pipe high temperature high tension room my control roof tile steam generates 100-150 degrees for depositing a wood is formed to have a directivity to high temperature and high pressure in a closed space re-nematode or mediated it is an insectbrush beard sky small thermometer and to combating sufficiently are various kinds of methods and gauge dispersed with more high temperature steam an internal, is intercepted [...] by circulating a charge or fungi by combating the following formula 1. method processing. The existing method is method or incineration entire neck infection, dope and adjusting the fumigation sanitizing a disposable wood or sawdust make up for all the consumption dvbts fabricating the basic form of the method is controlled in connecting from 3 economical method in the processing method, gluconic acid, tannic acid, valuable the engine is accurately controlling 100% resources that can be used at the stated section.