In making precast structural units for partition and wall lining purposes, the concrete should be
(a) sawdust concrete
(b) air-entrained concrete
(c) light - weight concrete
(d) vacuum concrete
The correct Answer Is
(c) light - weight concrete
(a) sawdust concrete
(b) air-entrained concrete
(c) light - weight concrete
(d) vacuum concrete
The correct Answer Is
(c) light - weight concrete