ANFO of Shijiazhuang, China, on 16 March 2001. A total of 108 people were killed, and 38 others injured when, within a short time, several ANFO bombs exploded near four apartment buildings. Improvised bombs made with agricultural-grade AN are less sensitive and less efficient than the explosive-grade variety. In November 2009, a ban on ammonium sulfate, ammonium nitrate, and calcium ammonium nitrate fertilizers was imposed in the former Malakand Division – comprising the Upper Dir, Lower Dir, Swat, Chitral and Malakand districts of the North West Frontier Province (NWFP) of Pakistan – by the NWFP government, following reports that those chemicals
Compound pier shafts are detached from the pier and coupled to it by annulets at regular heights, as in the Early English period. A pilier cantonné is one type of compound pier. Compound piers can often be found in Romanesque cathedrals. A pilier cantonné is a type of compound pier commonly associated with High Gothic architecture. First used in the construction of the Chartres Cathedral, the pilier cantonné has four colonettes attached to a large central core that support the arcade, aisle vaults and nave-vaulting responds. Compound pier Compound pier or cluster pier is the architectural term given to a clustered column