Correct answer
C. require less skilled labour
Explanation
The correct answer is require less skilled labour.
Which is the correct statement about law of polygon of forces?
What is the opposite of perfect competition?
The most efficient cross-section of sewers in a combined sewerage system is________?
A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is________?
If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is________?
All reinforcement should be free from________?