thanks alot for all the compliments! 
some other frequently heard terms in army
1. COS - Company Orderly Sergeant : the duty third (usually)
sergeant for the company; he is usually NOT the duty sergeant for
any of the platoons as he need to do things like cookhouse
duty
2. BOS - Battalion Orderly Sergeant (cant rem wats the equivalent
in BMTC. SOS? heh..): the duty platoon sergeant for the battalion /
school; the one wearing the red band (wats that thing
called?);
3. Tonner - 3 and 5 tonner vehicles are the most common. for troop
lifting. 5 tonnes are replacing 3 tonnes now.
4. Landrover - the jeep like vehicle most commonly used as safety
vehicle
5. Safety Vehicle - vehicle carrying the medic and other first aid
equipment that covers training.
6. Front Scout / Rear Scout - the front / rear guy in route / fast
marches. supposed to be 50 m infront/behind the main body. usually
consists of a sergeant and a men (recruit). nice "appointment" to
take during marches!
7. Figure 11, 13, 15 - full size / one third of full size / one
fifth of full size targets used in ranges. think the connection
between the numbers used and their sizes is obvious. 
8. Vehicle Commander - the person sitting next to the driver in any
vehicle; usually the highest ranking personnel amongst the
passengers.
9. 5 BX - 5 basic exercises : pushup, situp , heel raise, half
squat and burpees; 5 BX + run means add one more run item. and
theres always the warm up b4 this. i din do ANY 5 BX in BMTC.
haha.. wonder if it will be diff now.
10. Attend A/B/C - a result of reporting sick; if u attend a after
report sick, good luck to u. 
it basically means u r totally fine; attend b means
light duties and practically means u r excused from most physical
activities; attend c, means go home! other combinations include:
normal duties, Excuse X : means u can do everything except for
activities involving X. the most common are lower limb, upper limb,
RMJ (running, marching, jumping), footwear (boots or even PT
shoes), uniform (no. 4!)
11. Advanced party / store party - means u have to move out earlier
than everybody else to the site of training to bring stores there
and set up the place; also means u have to help to get ready all
the necessary stores before the day of training; also means u have
to help to unload and clean the stores after the training and when
u go back to company line. sounds shitty? there are hidden perks
too!
12. Target party - means u are in charged to preparing and setting
up targets for ranges
13. Dummy rounds - usually blue in colour; for training purposes
only
14. Blank - can be fired but mostly emits the sound and abit of
flash; CAUTION: firing blanks too close to another person can cause
injury! the TSR stated safety distance is 10m.
15. Live Round - self explanatory
16. ROI - Return of Indent: commonly heard of ranges / training,
when u have to go around and collect empty cartridges using your
helmet . these empty cartridges are known
as ROI and have to be returned to the ammo dump (place where one
collects ammo)
17. Ammo party - means u help ur sergeant go collect rounds for
ranges and return ROI after that. usually equivalent to wake early
sleep late.
18. Check clear - check to make sure your weapon is cleared of ANY
rounds;
19. Declare - a parade form declaration where all are to declare
that they have checked themselves and are sure they are not
carrying any rounds or ROI on them; done after ranges/
training.
20. OIL - off in lieu - off that they owe due to training or what
not and are returning to you.
anything else?
