The following objects have no texture applied to them when they are on a conveyor belt.
Somersloop WIP
Medical Inhaler
Bacon Agaric
Portable Miner
Chainsaw
Rebar Gun
Xeno-Basher
Xeno-Zapper
Parachute
Jetpack
Hazmat Suit (appears a box)
Filter
Gas Mask
The Hazmat Suit (appears a box) has no texture when dropped onto the ground.
Here's a screenshot for reference:
