人妻无码aⅴ不卡中文字幕,巨大黑人极品video,日韩人妻无码精品久久久不卡,天堂新版中文在线最新版

Welcome to the website of Shandong Basalt Co., Ltd~

A professional basalt stone and basalt aggregate production enterprise

Main products include basalt stones, specialized basalt stones for highways and high-speed railways, and machine-made basalt stones.
聯(lián)系我們

Basalt can also be used as a fire extinguishing material

Basalt is basically used in building materials,and its uses are quite diverse.However,few people know that basalt can also be used as a fire extinguishing material.Next,let's briefly understand the specific processing methods.
Basalt itself has a good defense effect against high temperatures.At the same time,due to its relatively high density,after a large amount of rock accumulation,the flames inside are difficult to react with external oxygen for secondary combustion,which reduces the risk to a certain extent.
In fact,basalt can be used as firefighting equipment.In the event of a fire,if the movement of the flames is not very strong,we can use basalt stones to briefly extinguish the fire in order to avoid causing greater losses before professional firefighters arrive.

basaltic rock


 In this situation,it is important to observe the method of suppressing oxygen in basalt,so we can consider it when encountering such risky problems in our daily lives.In addition,basalt has excellent insulation properties.Once a wire catches fire,this material can also be used for self rescue to avoid circuit failures causing machine explosions and resulting in greater economic losses.
Basalt,as an important stone material that can timely rescue the rising fire,can effectively reduce certain risks to a certain extent.If you encounter any problems while using basalt,remember to follow us.

WhatsApp:
+8615653328535
Tel:
+8615805335335