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.
H. Approved type (SAE-W) amber flashing, blinking or alternating lights are permitted on vehicles used for the principal purpose of towing or servicing disabled vehicles or in constructing, maintaining and repairing highways or utilities on or along public highways and vehicles used for the principal purpose of removing hazardous or polluting substances from the state waters or drainage areas on or along public highways.