When placing a long inserter on top of a yellow one, the inserter gains the range properties of the yellow inserter but keeps the speed, the correct inserter is consumed however. these tests were preformed without any "better inserters" research
inserter -> long (L) inserter = - range +speed
L inserter -> inserter = +range -speed
L inserter -> fast inserter = +range +speed
L inserter -> stack inserter = +range +speed +stack size
