Most worked in automotive repair and maintenance shops or at automobile dealers. The number of jobs for auto mechanics is expected to rise 17 percent from 2010 to 2020, according to the BLS.
A trapezium (as it is known in English) is a quadrilateral which is a closed plane figure with four straight sides. It has one pair of parallel sides. The other pair of sides â¦is not parallel (otherwise the figure would become a parallelogram). Ally Weber.
Concave = hollowed or rounded inward. Convex = curved or rounded outward. If the moving joint surface is CONVEX, sliding is in the OPPOSITE direction of the angular movement of the bone. If the moving joint surface is CONCAVE, sliding is in the SAME direction as the angular movement of the bone.