the stiff materials can be excavated by ______.

Related MCQs

• ______ are very useful for horizontal transportation of materials like bricks, aggregates, scaffoldings, etc.
• based on the function, piles can be classified into ______ types.
• ______ are the cofferdams which can be lifted, floated and placed in another position as soon as its purpose is served.
• from given below, which method for the dewatering of foundation trenches is portable and can be easily moved when required.
• the formwork from the sides of beams can be removed only after
• the form work from the underside of slabs, can be removed only after
• a ______ is a very useful equipment and it can be used for construction work like to clear the site of work, to make the land level, etc.
• a______ can be used on wet ground and in all conditions of weather.