The Philippine Peso is the currency of Philippines. Our currency rankings show that the most popular Philippines Peso exchange rate is the PHP to USD rate. The currency code for Pesos is PHP, and the currency symbol is â±. Below, you'll find Philippine Peso rates and a currency converter.
Brushless DC electric motor (BLDC motors, BL motors) also known as electronically commutated motors (ECMs, EC motors) are synchronous motors that are powered by a DC electric source via an integrated inverter /switching power supply, which produces an AC electric signal to drive the motor.
Sound transmission class. Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM International Classification E413 and E90).