Picking up
(1)Trailer brakes on
(2)Unit underneath give it a “■■■■■■”
(3) Handbrake on
(4) Clip
(5)Airlines on
(6)Legs up
(7)Trailer brake off
Dropping
(1 Brakes on all round
(2)Airlines off
(3)Legs down
(4)Pull the pin
Like its been said its all down to routine or habit although some habits could be wrong.