In whole, you may use me in the measuring.
With my $1^{st}$ & $2^{nd}$ part, you may use me in the coloring.
With my $2^{nd}$ & $3^{rd}$ part, you may use me in the casting.
With my $3^{rd}$ & $4^{th}$ part, you may use me in the integrating.
With my $4^{th}$ & $5^{th}$ part, you may use me in the displaying.
With my $5^{th}$ & $6^{th}$ part, you may use me in the lighting.
Who/What am I?
Hint 1:
For functions in each clause:
measuring -> for the projection
coloring -> for the decoration
casting -> for the hardness
integrating -> for the conduction
displaying -> for the monitor
lighting -> for the attraction
Hint 2:
Add Knowledge tag
Hint 3:
All the parts mentioned in clauses has the same length