That’s too hard for me lol oof
Answer: A.
Explanation:
safety data sheet are documents that list information relating to occupational safety and health for the use of various substances and products.
Answer:
The number of threads in a worm is the number of teeth in a worm. The speed transmission ratio of a worm and worm gear set is obtained by dividing the number of teeth of the worm gear by the number of threads of the worm.