It is dangerous to go about on the construction site without a safety helmet.
不带安全帽在工地上走来走去是危险的。
2
ABS safety helmet of high strength, usually for administers on construction sites.
高强度ABS安全帽，多用于工地管理领导佩带。
3
The oblique open multi-stoma plastic safety helmet used in the building construction prevents the injury accidents caused by the vertical falling matter and the falling human body.