BLKHD has various meanings in the Construction category. Discover the full forms, definitions, and usage contexts of BLKHD in Construction.
The part of a storefront that forms a base for one or more display windows or A fixed structure used to divide twocompartments. These structures can be found in ventilation tunnels or within the head of a TBM to separate the working chamber or cutting head from the rest of the machine.
ConstructionLast updated: