“SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY TRAINING FILM XD49364

Name: “SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY TRAINING FILM XD49364
Uploaded: 2024-04-22T16:21:05+08:00
Description: “SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY TRAINING FILM XD49364

Category：news

2024-04-22

Category Latest News

Ni Haishan, the most popular Internet celebrity on the Internet in recent times, is known as a "dragon-raising" professional in the name of the "Summoner" of the entire Internet. Every live broadcast will randomly attract live broadcasters who are even included in the live broadc - DayDayNews
(Voice of Sanqing) "Twenty Reports in the Series of Liu Entie" (Zhang Yu's comments after reading) I like to see the new look of "Liu Zhuang" - What I felt after reading Zhang Sanqing's reportage "Forging ahead with great love and taking responsibility" The author Zhang Yu read Z - DayDayNews
@真知新ordinateIntroduction Yesterday, we ushered in the Xiaoshu solar term. Will 2022 be a good year? Know the Xiaoshu solar term early! Look at the proverbs of the past, what are the omens. As the old saying goes: "In the heat of summer and the heat of summer, there is rice to coo - DayDayNews
We know that there must be a leader behind the evil forces. There is such a woman in Chongqing. She collaborates with others to open a casino to illegally raise funds. It can be said that she does all kinds of evil. - DayDayNews
After returning to her hometown of Hujia Town, Longchang, Sichuan, to help her parents sell fish, she started making short videos and live broadcasts in order to "have more income", and insisted on live broadcasting the process of killing and slicing fish every morning. Then the - DayDayNews
There are a number of old factories in our country that have been in use for a long time. These old factories can easily lead to various safety problems due to long-term use and excessive loads. Factory ground subsidence is one of them. - DayDayNews
In this era where time is of paramount importance, which buildings have you seen that have a short construction period and a long service life? The first thing we think of may be buildings like containers, which can be stacked and connected in multiples, and the appearance design - DayDayNews
With the continuous development of our country's economy and the rise of traditional culture, the public's inner cultural confidence and national self-confidence are constantly being stimulated. The national trend of culture has also led to the recognition and hot sales of domest - DayDayNews
V2I technology is currently mainly used in communication collaboration between vehicles and roads. For example, today's road infrastructure will be equipped with NVIDIA Jetson series products. In addition, some X86 architecture products will also be used, using NVIDIA RTX GPUs to - DayDayNews
From an outsider's perspective, a poet talks dirty words and shows affection online every day, which makes people feel artificial, disgusting, and uncomfortable. If you look like that, might your boyfriend like you? - DayDayNews

Relation Video

Site article recommendation

Site video recommendation