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Track ballast
01
track ballast, ballast ng riles
the layer of crushed stones or gravel placed under and around railway tracks to keep them in place and provide drainage
Mga Halimbawa
The workers spread new track ballast along the railway line to make the tracks more stable.
Ang mga manggagawa ay nagkalat ng bagong track ballast sa kahabaan ng linya ng riles upang gawing mas matatag ang mga riles.
