Some hearing milestones your child should reach in the first year of life: 1  Most newborn infants startle or jump to sudden loud noises. 2  By 3 months, a baby usually recognizes a parent's voice. 3  By 6 months, a baby can usually turn his or her eyes or head toward a sound.
(December 2008). Direct digital control (DDC) is the automated control of a condition or process by a digital device (computer). DDC is considered by many to be a more modern, granular and responsive update to older HVAC control systems based upon PLC technologies.
The Directorate of Defense Trade Controls (DDTC) has jurisdiction to decide whether an item is ITAR or EAR controlled. DDTC encourages exporters to self-classify the product. If doubt exists, an exporter may submit a Commodity Jurisdiction request to DDTC to determine whether an item is ITAR or EAR controlled.