![Afristar_SGR on Twitter: "Our shunting team use scotch blocks to hold the wheel of a railway vehicle and therefore prevent movement of the vehicle # railways #sgroperations https://t.co/SKypMFKmV2" / Twitter Afristar_SGR on Twitter: "Our shunting team use scotch blocks to hold the wheel of a railway vehicle and therefore prevent movement of the vehicle # railways #sgroperations https://t.co/SKypMFKmV2" / Twitter](https://pbs.twimg.com/media/EYhaUk4XQAEpGxG.jpg)
Afristar_SGR on Twitter: "Our shunting team use scotch blocks to hold the wheel of a railway vehicle and therefore prevent movement of the vehicle # railways #sgroperations https://t.co/SKypMFKmV2" / Twitter
![. Locomotive engineering : a practical journal of railway motive power and rolling stock . A Scotch Block. to two of sand and three parts of crushedstone, such as will go through a 2-inchmesh. The concrete should be put in atleast 12 inches deep, and for 12 ... . Locomotive engineering : a practical journal of railway motive power and rolling stock . A Scotch Block. to two of sand and three parts of crushedstone, such as will go through a 2-inchmesh. The concrete should be put in atleast 12 inches deep, and for 12 ...](https://l450v.alamy.com/450v/2cgydr7/locomotive-engineering-a-practical-journal-of-railway-motive-power-and-rolling-stock-a-scotch-block-to-two-of-sand-and-three-parts-of-crushedstone-such-as-will-go-through-a-2-inchmesh-the-concrete-should-be-put-in-atleast-12-inches-deep-and-for-12-inchesaround-each-side-of-the-foundation-thecement-used-should-be-of-the-best-qualityon-account-of-the-strains-that-are-put-uponthe-foundation-and-while-it-is-not-neces-sary-to-go-to-the-expense-of-getting-theimported-article-none-but-the-best-of-do-mestic-manufacture-should-be-used-at-the-present-day-the-standard-practiceof-connecting-2cgydr7.jpg)
. Locomotive engineering : a practical journal of railway motive power and rolling stock . A Scotch Block. to two of sand and three parts of crushedstone, such as will go through a 2-inchmesh. The concrete should be put in atleast 12 inches deep, and for 12 ...
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![Railpictures.ca - Marcus W Stevens Photo: A large and not so very common CN train L570 is seen rolling through Scotch Block with a pair of GE built T4′s. | Railpictures.ca – Railpictures.ca - Marcus W Stevens Photo: A large and not so very common CN train L570 is seen rolling through Scotch Block with a pair of GE built T4′s. | Railpictures.ca –](http://www.railpictures.ca/wp-content/uploads/2016/06/IMG_1220.jpg)