Abstract: The present invention includes an air cleaning device and a smart power equipment; the air cleaning device includes an air intake device, an air discharge device, an air purifying device, an air extractor device, an ultraviolet light catalyst sterilizing device, and a power supply device electrically connected to the air extractor device and the ultraviolet light catalyst sterilizing device. The smart power equipment is provided with an artificial intelligence movement system, an electric storage, and a charging base that enables docking with the artificial intelligence movement system for charging the electric storage device. The smart power equipment moves and, according to the air pollution level setting, activates the air extractor device to circulate the air while carrying out air purification by means of an ultraviolet light catalyst sterilizing device.

Abstract: The present invention is primarily assembled from a main body, a lifting device, a control switch, a grinding device, a nozzle apparatus, and a dust collecting device. The main body includes a first casing, and a second casing disposed within the first casing. The lifting device enables raising and lowering of the first casing relative to the second casing for adjustment to a suitable height. An operating area at the top of the first casing is equipped with the control switch. The nozzle apparatus includes an air compressor, a dryer, a sand storage tank, and a nozzle, which facilitate the user in operational use, and enable powerful collection of dust. In particular, during the sand blasting process, the present invention enables optimum handling of environmental dust pollution.

Abstract: The present invention is primarily assembled from a main body, a lifting device, a control switch, a grinding device, a nozzle apparatus, and a dust collecting device. The main body includes a first casing, and a second casing disposed within the first casing. The lifting device enables raising and lowering of the first casing relative to the second casing for adjustment to a suitable height. An operating area at the top of the first casing is equipped with the control switch. The nozzle apparatus includes an air compressor, a dryer, a sand storage tank, and a nozzle, which facilitate the user in operational use, and enable powerful collection of dust. In particular, during the sand blasting process, the present invention enables optimum handling of environmental dust pollution.

Abstract: A gas balance training bomb uses primarily a pressure of gas to substitute a gunpowder explosion to generate a gas thrust for pushing an eruption solid, powder, gas or liquid, so as to achieve an effect of simulating an explosion. The gas balance training bomb is formed with a passive gas chamber and an active gas chamber, the passive gas chamber stores the gas needed upon erupting and the active gas chamber stores the gas used for controlling an eruption time. Through the pressure difference between the active gas chamber and the passive gas chamber, the gas stored in the passive gas chamber is released momentarily to accomplish an operation of eruption, such that the effect of simulating the explosion can be achieved.