Figure says hidden dangers (26)

The picture shows the chemical pipeline installation process
Reference answer:
1. The welding machine wiring is not standardized, the leakage current is grounded, and the welding rod is not insulated.
2. The cable should be laid neatly and should not be placed on the walkway.
3, the field electrode is on the ground
4, the scene did not see the warning sign
5. No fire facilities were seen at the scene.
6. Scaffolding on site is not standardized


What are the advantages of specifying Neoprene rubber?
Neoprene rubber, commonly known as Chloroprene, is a solid rubber material with a good resistance to oils, chemicals, UV, ozone and weather conditions in general. With its excellent strength and abrasion properties, combined with a wide temperature range of between -35?C and 125?C (depending on the grade of rubber), Neoprene has the right characteristics to be used in a number of industrial applications, for example, for sealing gaskets to protect against the ingress of water and dust.
Neoprene rubber is available in a selection of different grades, including commercial, BS (British Standard) and flame retardant specifications.It is available in a wide variety of thicknesses.
Neoprene sheets can be moulded or extruded to produce complex shapes to suit customer`s specifications, such as Neoprene Rubber Strip or Neoprene gasket.   

Neoprene Rubber Strip

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