The category "<i_f_v-pl>" can be expressed as follows:
122mm howitzers
152mm howitzers
1v13 swas
1v14 swas
1v16 swas
2s1 122mm howitzers
2s1 howitzers
2s3 152mm howitzers
2s3 howitzers
37mm anti air artilleries
37mm anti air machine guns
37mm triple-as
57mm triple-as
anti tank brdms
antitank lavs
armored cars
astros an-ucfs
astros c2s
astros command and controls
bm21 mlrses
bm21 mrls
bmp2 c2s
bmp2 commands
bmp2ks
bmp2s
bradley infantry fighting vehicle with stingers
bradleys
brdm2 reconnaissances
brdm2 recons
brdm2s
brdm3s
brdms with a t
brdms with atgm
c2 lars
gainful fcrs
gainful fire control radars
gainful launchers
gainful tels
gaskins
lar mortars
lar ms
lar with a mortars
lar with mortars
lars
lav 25s
lav a ts
lav c2s
lav mortars
lav ms
lav rs
lav with a mortars
lav with mortars
lavs
light armored vehicles
m1939s
m2 stingers
m2s
m83a 60mm mortars
m83a mortars
m83as
maz-543 tels
mixed aa fcrs
mixed aa fire control radars
mixed air defense fcrs
mixed air defense fire control radars
mixed anti air fcrs
mixed anti air fire control radars
mlrs bm21s
mrl bm21s
mt-lb with 82mm mortars
mt-lb with eighty two mortars
mt-lbs
opfor 37mms
opfor 57mms
opfor apcs
opfor armored personnel carriers
opfor artillery battalion fdcs
opfor artillery battalion fire direction centers
opfor artillery battery c2s
opfor artillery battery command and controls
opfor artillery battery fdcs
opfor artillery battery fire direction centers
opfor medium mortars
reconnaissances
recons
reinforced m2s
s-60s
sa-9 gaskins
sa-9s
self propelled 82mm mortars
self propelled eighty two mortars
skurkas
sp 82mm mortars
sp eighty two mortars
swa 122mm howitzers
swa 152mm howitzers
swa 1v13s
swa 1v14s
swa 1v16s
swa 2s1 122mm howitzers
swa 2s1 howitzers
swa 2s3 152mm howitzers
swa 2s3 howitzers
swa 37mm aamgs
swa 37mms
swa 57mm aamgs
swa 57mms
swa 60mm mortars
swa acrv 1v13s
swa acrv 1v14s
swa acrv 1v16s
swa apcs
swa armored personnel carriers
swa bm21s
swa gainful fcrs
swa gainful fire control radars
swa gainful launchers
swa gainful tels
swa gaskins
swa ifv commands
swa ifvs
swa maz-543 tels
swa mixed aa fcrs
swa mixed aa fire control radars
swa mixed air defense fcrs
swa mixed air defense fire control radars
swa mixed anti air fcrs
swa mixed anti air fire control radars
swa mt-lb with 82mm mortars
swa mt-lb with eighty two mortars
swa sa-6 fcrs
swa sa-6 fire control radars
swa sa-6 launchers
swa sa-6 tels
swa sa-9 gaskins
swa zpu-4s
swa zsu23-4ms
swa zsu23-4s
swa zu23-2s
xmg1s scvs
xmg1s secondary c2s
xmg1s secondary controls
zpus
zsu23-4ms
zsu23-4s