In general Packers and Movers pack everything carefully. But, YES! There some unusual items that packers avoid handling. Some of such articles are – Gasoline, Oxygen Cylinders, Lighter Fluids, Propane Cylinders, Fireworks-Crackers, Edible items, Oil canister, Jems and Jewellery, Cash, Important Documents (deeds, wills, bonds, stocks, official registers, business files, etc.). So, either you can take them in your own vehicle or arrange something different.