41.   Concrete block serves as an industrial accent on the walls of the powder room and the guest bath above.

42.   Concrete stacking blocks are designed to be stacked in staggered rows, side by side in a straight line.

43.   CSR also has concrete block factories in Malaysia and Taiwan.

44.   Currently, the main obstacle to driving across the bridge is a large concrete block on legs on the Mexican side.

45.   CSR also has concrete block factories in Malaysia and Taiwan and timber-related ventures in China.

46.   DeRuiter recalls a night two years ago when thieves smashed a window with a concrete block and took off with cigarettes.

47.   Each time he visits, the concrete blocks increase in number.

48.   For hours, they worked elbow to elbow in a tiny space, heaving concrete blocks an inch, sawing rebar, shoveling with their hands.

49.   For more than three decades, the monks made concrete blocks, hard, grueling work.

50.   For years the Energy Department has promised to clean nearly all the radioactivity out of bomb wastes here that are to be secured in giant concrete blocks.