zero-zero origin cross point all of the above
Answer Discuss in Comment
mechanic drawing line of drawn with free hand line drawn with drawing equipment none of the above
one plane projection two plane projection three plane projection all of the above
axonometric projection oblique projection both (a) and (b) above none of the above
50m 100m 86.6m 70.71m
before construction simultaneously with construction after construction all of the above
concept final discussion none of the above
generate new idea to make correction both (a) and (b) of above None
size to express easily to client to express dimension shape
free hand mechanically both (a) and (b) of above none of the above
"Scientists dream about doing great things. Engineers do them."
