Industry capacity
for example Small land 60 max industry cap. and Large land 100 max industry cap. each tier have capacity
Tier 1: 1 capacity
Tier 2: 2 capacity
Tier 3: 5 capacity
Tier 4: 10 capacity
Tier 5: 100 capacity
Land owner can experiment how to maximize there land capacity:
20 Tier 1 industries (20 x 1 = 20 capacity) + 10 Tier 2 industries (10 x 2 = 20 capacity) + 5 Tier 3 industries (5 x 5 = 25 capacity) + 3 Tier 4 industries (3 x 10 = 30 capacity) = 95 total capacity used, can still add 5 more Tier 1 industries to fill the remaining capacity (bringing the total to 100).