Without it, water would accumulate on the tracks and cause rapid rusting of their metallic parts. 

If the ballast is covered in too much dirt or mud, it will affect its effectiveness; it can cause debris to accumulate between the stones and negatively impact its draining ability. 

Let the trust between each other continue to accumulate and increase again.

that accumulate. This is a slippery slope. Modified humans could become the new

The Europe is so penetrating that its effects accumulate to lethal doses even underground over days or weeks.

So if you like the International Phonetic Alphabet, by all means, if you prefer reading, by all means, if you prefer reading grammar rules, by all means, do all those things that are going to keep you motivated, make sure you know why you're learning the language, make sure you know the kinds of activities that will keep you motivated, and as long as you remain active in the language, you are going to accumulate this sort of database of reference so that you can start inferring with more and more accuracy when you hear the language and when you go to use the language.

and it's stressors, the foods we eat, trauma⏤all of these things accumulate.

All leached materials from the A and E layers accumulate in the B horizon which is kind

Unlike trade, the negative impacts of FDI are slow to accumulate.

Atomic habits are small routines and behaviors  that accumulate to produce incremental positive  

good to take care of them and not let the water  accumulate on the sides. So we will squeegee them