10A scored 10 As in the HKCEE
Coal as Received and Coal as Fired
inorganic arsenic (In-As)
move the mouth as in speaking
regional background value of As in water body
small sized nitrogenous fertilizer plant with coal as raw material
Thermal oil heater with coal as fuel
use oil instead of coal as raw material
valued as in the original policy {= VOP}
was sworn in as the new prime minister
accompanying element in coal