RE: Question about pitch of underground drainage pipe. Usually perforated pipes are bedded in gravel. When water accumulates in the gravel it'll bubble up in the perforated pipe and at some point it'll discharge out the end. Perforated pipes do not need to be placed on a design slope like a gravity pipe.
Funeral procession arriving at the church. The coffin is covered with an elaborate red pall. A pall (also called mortcloth) is a cloth that covers a casket or coffin at funerals. The word comes from the Latin pallium (cloak), through Old English. It is also a stiffened square card covered with white linen, usually embroidered with a cross or some other appropriate symbol.
Pallet vs Skid. There is a distinct difference between pallet and skid though you may have seen people overlooking that distinction. Generally speaking, the words pallet and skid are used to refer to a platform that supports goods in a stable manner while they are being loaded or transported through a jack or a forklift.