__________________ types of equipment have a continuous flow of work turned out.

A ____________ can be used on wet ground and in all conditions of weather.

__________________ is used for designing the old road to a predetermined depth.

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

________________ are Steel bits which are screwed to the ends of drill rods and they can be attached to or removed from …

In __________ the owner has to invest a certain amount for the purchase of an equipment.

_________________ drilling has rapidly become an inexpensive alternative to outdated mechanical hole drilling methods.

Effective compaction is not achieved by ________ rollers.