TRANSFERRING A PRECISE VOLUME OF LIQUID A pipette bulb is used to draw liquid up into the pipette. There are many types of pipette bulbs. The use of 3 types will be demonstrated in this module. The first to be demonstrated will be the common rubber bulb.
Front blackout marker light. 1  Front marker lights are typically mounted below or to the side of the vehicles normal headlights. 2  Rear marker lights or blackout taillights are typically housed in the same unit as the vehicles taillights, and are the main tool in keeping the proper following distance in nighttime convoy driving.
Turn signals are required to blink on and off, or flash, at a steady rate of between 60 and 120 blinks per minute (1â2 Hz). International UN Regulations require that all turn signals flash in simultaneous phase; US regulations permit side marker lights wired for side turn signal functionality to flash in opposite-phase.