The banded soil is not cleaned in time, which hinders drainage. On the west side of the open ditch, due to road construction, the spoil...
A total of 5 teams have signed up for each event, and the winning team is determined by the point system. Click the “blue word”...
8.2.10 the rated leakage action current of the leakage protector in the switch box shall not be greater than 30mA, and the rated leakage action...
During the lifting of floor tiles by the command tower crane, he did not pay attention to the risk factors behind him due to answering...
On the contrary, if the error value of instruments and equipment exceeds the corresponding range, it will not only consume a lot of human, material...
Today’s weather (Hebei weather) highlights 01 Shijiazhuang this section will add a Street overpass! Recently, the steel beam hoisting of Huaian Road overpass on the...
4. Do not wear plastic soled shoes. First remove the frost and snow accumulated on the scaffold to ensure that there is no open water...
In case of strong wind above level 6, outdoor climbing and suspended high-altitude operation are not allowed. 4. The attached lifting scaffold shall not be...
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This year marks the 70th anniversary of the completion and opening of Chengdu Chongqing railway. In order to maximize the transportation capacity, Chengdu Bureau Group...
