What preinstalled files can be deleted without problems using Titanium Backup?

Hi, before doing damage , I would like to know if it is possible to delete these pre-installed programs and processes :

purchase blurb
ANT HAL
backup
ChatOn
Chrome
Cloud Agent
com.android.backupconfirm
com.android.providers.partnerbook
com.android.sharedstoragebackup
com.sec.android.app.keyguard
com.sec.enterprise.knox.attestation
com.sec.knox.eventmanager
google contacts
remote controls
elm agent
epson print service
evernote
factory mode
factory test
gear manager
gmail
google backup transport
google calnedar
google palybooks
google paly games
google play magazines
google play music
google paly service
google+
group play
hangouts
interactivekeyguard
keychain
keyguardbackuprestore
klms agent
knox
knox
knox notification manager
knox store
nfc test
picasa uploader
HP plugin
Polaris office
remote control
sfinder
shealt
samsung account
asamsung app
samsung app widget
samsung backup provider
samsung sync calendar
samsung cloud data relay
samsung sync contact
samsung agent content
samsung hub
samsung link
samsung print service
samsung push
samsung sbrowser
samsung sync snote3
samsung sync
samsung watchon
samsung hub
scloud share
sensorservice
nfc service
travel background
sns
talkbak
TripAdvisor
magazine staff
weather widget
yahoo finance

in greenify remain active even if disabled:
google play service
localization network
s finder
samsung cloud data relay
samsung push service