This course covers the OSHA Excavation Standard and safety and health aspects of excavation and trenching. Course topics include practical soil mechanics and its relationship to the stability of ...

měi hǎo de rì zi ! qīng chén xǐng lái jiù shōu dào le dà xiǎo de lǐ wù 。 7、 zuò kē xīng xing ， yǒu léng yǒu jiǎo ， hái huì fā ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Plant litter additions enhance soil microbial functional potentials for carbon and nitrogen cycling in high-Arctic ecosystems, based on a four-year experiment simulating vegetation expansion under ...

He is a scholar-official, and China is a civilization of scholar-officials., 他是一位学者型官员，而中国是一个学者型官员的文明。

This Safety Guide provides recommendations and guidance on how to meet the requirements established in Specific Safety Requirements No. SSR-2/1 and in General Safety Requirements No. GSR Part 4 for ...

In May 2025, the U.S. Army’s Soldier Lethality Project at the Picatinny Arsenal in New Jersey announced the official type classification of SIG Sauer’s M7 rifle and M250 automatic rifle, previously ...

JD Vance was the most notable in his absence from Donald Trump’s triumphant appearances in the Middle East on Monday, as vice presidents rarely travel abroad with the commander-in-chief. However, the ...