PCR tubes are small tubes made of high-quality virgin polypropylene with a conical bottom and snap-cap lead. They have uniform thin walls to facilitate efficient heat transfer to the sample. These tubes are autoclavable and work well with most thermal cyclers.http://www.marvnier.com/automa....tion-pipette-tips/ha

Flap wheel, also known as thousands of flaps wheel, chuck wheel, belongs to a coated abrasives, each product with hundreds of thousands of pieces of abrasive cloth bonded into, so named. Flap wheels continue to provide new abrasive surfaces as the flaps wear away. Flap wheels are an ideal choice for a wide variety of blending, deburring and finishing applications common in the metal fabrication, welding and polishing industries.http://www.winoneabrasives.com/abrasives-wheel/

Iveco clutch is a mechanical device used in the transmission system of a vehicle. It engages and disengages the transmission system from the engine. It is fixed between the engine and the transmission. When the clutch is engaged, the power is transmitted from the engine to the driving wheels through the transmission system and the vehicle starts moving.http://www.mhclutch.com/vw-clutch/

Cobblestone, the cracked product of mined stone, is one of the most common blocks in Minecraft. It's found either by mining ordinary stone or in dungeons that have been generated by the game, along with mossy cobblestone. It can also be found in strongholds, villages, and jungle temples. Cobblestone doesn't have physics applied to it, so it makes a very good construction material.http://www.hzxstone.com/basalt/

LCD video wall has an advantage – scalability. For the size of video walls the limitation is the physical space of the wall or the funding limits. As the LCD technology matured, spacing between LCD displays became smaller and smaller and the LCD displays – brighter and brighter.http://www.zyodisplay.com/interactive-whiteboard/