Mark the correct sentences with the letter T and the false ones with the letter F. 1. The rig crew is not competent enough to assist in cementing jobs. 2. There is special transport equipment to handle cement in bulk. 3. To mix dry cement with water a blender is used. 4. Slurry is a fluid for cementing the well. 5. A plug container is a part of a cementing head. 6. A plug container has two types of plugs. 7. Pumping continues till the cement slurry fills the annular space. 8. The top plug is absolutely similar to the bottom plug. 9. Drilling is resumed as soon as WOC is over. 10. Waiting on cement is allotted to allow the slurry to harden.​

Wales is a part of the United Kingdom of Great Britain and Northern Ireland. The capital of Wales is Cardiff. From the West Wales is bordered by the Irish Sea. The Snowdonia National Park and the second highest mountain in the UK - Snowdon are located on the north of Wales. Inhabitant of Wales are Welshes, who speak in two languages - English and Welsh. They are considered to be excellent singers. One of the symbols of Wales is a musical instrument  a harp. Welshes also love sport, especially a game like rugby.

  Wales is a part of the United Kingdom of Great Britain and Northern Ireland.  The capital of Wales is Cardiff. West Wales is washed by the Irish Sea in the west. In the north of Wales there is the Snowdonia National Park and Snowdon - the second high mountain in the UK. The citizens of Wales,  the Welsh,  speak two languages: they are English and Welsh. They are considered the excellent singers. One of the symbols of Wales is  the harp, a musical instrument.  Welsh also like sports, especially such a game like rugby.