A circuit layout of a circuit substrate having a plurality of device bonding areas is provided. The smart watch includes a band unit, a network unit, a display unit and a control unit. Thereafter, unnecessary part of a metal layer 12b, which is formed of a metal other than an active metal of the active metal containing brazing filler metal 12, is etched with a chemical to be removed. The network device identifies, based on the telematics packet and the text message indication, that the vehicle was being operated during the sending time of the text message and logs a texting-while-driving incident associated with the particular driver. A manufacturing process involves generating a per-device private key and public key pair, storing the private key in a secure storage where it can be accessed by the protected application, combining the public key with the modem software to produce a combined software, signing the combined software; and storing the signed combined software into the storage space. The LNG feed stream is split with at least one portion used as an external reflux, without prior treatment, to improve the separation and recovery of the natural gas liquids.