__________________ are very useful for horizontal transportation of materials like bricks, aggregates, scaffoldings, etc…

____________________ laser drilling is a method used to remove a cylindrical Core, or circular disc from a substrate.

______________ rollers are also known as tamping rollers.

A __________ is a power driven hammer used to shape forgings.

______________ is mainly used for grading purpose.

_________________ type of rollers rely upon their deadweight to carry out consolidation work.

________________ based lubricants do not work well on diamond drill bits.

A Grader which is told by a tractor is known as _____