In mine construction engineering area, Apolune International Limited provide design of vertical shaft, inclined shaft, ventilating shaft, ore pass, drift, tunnel and all kinds of underground chamber.
Based on the experimental results, the diversities of the velours thermal conduction and ventilating in different directions and the mechanism which influence on its diversity are discussed.
They advised people to continue taking sensible precautions including ventilating rooms, using face masks, testing regularly and isolating when symptomatic.