security clearance• Another son, Ron, is a Lockheed employee with a security clearance.• Thompson still is hiring and getting security clearances for his investigativestaff and finding space for them to work.• The secrecy touches all who work there; even the cafeteriastaffers must have security clearances.• In preparation for his job at Commerce, Huang received an interimsecurity clearance while he was still working at Lippo.• Only personnel with a high-levelsecurity clearance are allowed in the building.• The challenge had come from Justice Department lawyers with top secretsecurity clearances and from civilianArmydrugcounsellors.• He has dropped homosexuality as an impediment to security clearances.• A visitor without security clearance must be signed for by the sponsor and accompanied at all times.• Excuse me Major but I don't know you or your security clearance.
snow/land/slum etc clearance• Not in urbandevelopment, not in city slum clearance, not in social welfare.• On a big estate - slum clearance - in the North.• However, slum clearance and replacement was for the poor.• But the end of slum clearance came more with a change in values: away from demolition, to conservation and rehabilitation.• It also extended them to cover land affected by new towndesignation orders, slum clearance orders and new street orders.• When it came to slum clearance, opposition came not from slumlandlords but from the residents themselves.• Most of the loss is attributed to population growth and rural poverty, leading to land clearance for agriculture.• This successsuggested that the general housing shortage was now considerably eased, and attention returned to slum clearance.