Barbecue smoker accessories, namely, retrofit kit for installation on barbecue smokers to improve heat retention and grease pumping, and to monitor temperature, moisture and smoke levels, comprising electronic controllers, temperature sensors, moisture sensors and smoke level sensors

Surgical smoke evacuation devices and instruments

EMISSIONS LEAK MEASURING DEVICE COMPRISING A SMOKE GENERATOR AND HOOK-UP ADAPTOR FOR CONNECTION TO SEALED FLUID AND AIR SYSTEMS ON VEHICLES