standard platinum scale platinum cobalt scale standard cobalt scale standard silica scale
Answer Discuss in Comment
2.5m 3m 2.25m 2.0 m
850 700 550 400
1 in 4 1 in 7 1 in 6 1 in 5
per-mix crapeting reinforcement concrete brick soling base course
foundation plinth level beam & slab all of the above
size and shape sloped and shade spacing all of the above
reference plane profile plane auxiliary plane defragmented plane
rectangle square ellipse parabola
a thin line and continuous at the middle a thin line and broken at the middle a thick line and solid at the middle a thick line and broken at the middle
"Scientists dream about doing great things. Engineers do them."
