00317    a2200109   4500020001500000082001500015100002400030245006100054260003800115300003000153650002400183  a1405134461  a690.22 HOL  aHolt, Allan St John  aPrinciples of Construction Safety /cAllan St John Holtz  aUK :bBlackwell Publishing,c2005  av, 278p. :bill. ;c30 cm  aConstruction Safety