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mask rail follower

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12:01 Apr 24, 2005
This question was closed without grading. Reason: Other

English to English translations [PRO]
Mechanics / Mech Engineering
English term or phrase: mask rail follower
"On the mask rail follower when we raise it up into the travel position, we also have an air cylinder with a lock. These are unlocked from inside the cab. When you unlock it, you apply air to this end of the cylinder, we lift the mask rail follower up, the lock will kick out and we can drop the mask rail follower down to the rail."

What does "mask" mean here in this context?
This is a part of a manual related to a railroad machine (tamping machine).
Thank you
Waleed Mohamed
United Arab Emirates
Local time: 18:20

Summary of answers provided
4rail-head sensor
David Moore
Dina Abdo



4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5

covering or surrounding rail

Dina Abdo
Local time: 16:20
Native speaker of: Native in ArabicArabic
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20 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
rail-head sensor

I'm reasonably sure this is what is meant; in the UK, they are known as "rail feelers", but it's pretty clear you are handling an American English document. The "mask" presumably means they are cut out in the shape of the rail head, and their messages then would be transmitted electronically to the "business end"; but in my opinion, the word "mask" is redundant and therefore misleading here.

David Moore
Local time: 15:20
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 58
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