In the construction of mechanical and electrical installation projects, there are several types of c

Holes, holes, and edges that are more than two meters deep can be considered high-altitude work.

Answer: c, d, e

2020 Textbook P41 2019 Textbook P32

The cranes commonly used in the dust demolition and lifting power project include mobile cranes, tower lifting old heavy machines, and mast cranes.

The construction personnel who work at height should ().

a.Wear a harness and a hard hat.

b.Wear a safety strap, a helmet, and non-slip shoes.

c.Wear a harness and a hard hat, non-slip shoes and tight-fitting clothing. (Correct answer).

The construction personnel before the operation at height should ().

a.Wear a harness and a hard hat.

b.Wear a harness and a hard hat and wear non-slip shoes.

c.Wear a seat belt and a helmet, wear non-slip shoes and tight-fitting overalls

Hello, it is a pleasure to serve you and give you the following answers: not included:1

Do not wear slippers or sandals when working at height. 2.Do not use mobile phones or other electronic devices when working at height or when traveling.

3.Do not smoke or drink alcohol while working at height. 4.

Do not use a smoker or other smoking appliance when working on a high stool. Reasons:1

Wearing slippers or sandals may cause your feet to slip, which can lead to falls. 2.Using a cell phone or other electronic device can be distracting, which can lead to accidents.

3.Smoking or drinking alcohol may affect a person's judgment, which can lead to accidents. Early paragraph 4

The use of cigarette smokers or other smoking utensils may lead to accidents. Workaround and practice steps:1

When working at height, safety shoes should be worn to ensure safety. 2.When working at height, the use of mobile phones or other electronic devices should be prohibited to ensure concentration.

3.When working at height, smoking or drinking alcohol should be prohibited to ensure that judgment is not affected. 4.

When working at height, the use of smoke extractors or other smoking utensils should be prohibited to prevent fire. Teaching: In teaching, safety requirements when working at height should be emphasized, and students should be asked to comply with these safety requirements in practice.

At the same time, students should be taught how to properly use safety equipment to ensure safety. Personal tip: When working at height, you should be responsible, cautious and safe to ensure safety.

At the same time, safety shoes should be worn, no use of mobile phones or other electronic devices, no smoking or drinking alcohol, and no use of cigarettes or other smoking devices to ensure safety. Relevant knowledge: When working at height, safety shoes should be worn, mobile phones or other electronic devices should not be used, smoking or drinking alcohol should be prohibited, smoking devices or other smoking devices should be prohibited, and safety equipment such as safety belts, safety nets, safety ladders, etc. should be used to ensure safety.

Answer]: B The test point involved in this question is a commonly used hoisting method. The lifting capacity of Ranxian hoisting is up to 26t, which is used in places where other hoisting machinery cannot be completed, such as mountainous areas and high-altitude rapid changes.