What needs to be checked for Conveying product and application environment of Gravity Roller Conveyor?

                                              
     1).Conveying product checking. 
        (1)Outer size checking: Width(W)*Length(L)*Height(H);
        (2)Conveying Direction;
        (3)Weight of each conveying product;
        (4)Shape and material: corrugated box, plastic box, wooden box;
        (5)Bottom shape: flat, uneven;
        (6)Conveying product quantity: how many conveying products will be placed on conveyor?
        (7)Placing way: how to place conveying product on conveyor?Hoist, crane, forklift and hand.
    2).Application environment checking.
        (1)Temperature: average, low, high;
        (2)Humidity,moisture,Dust.